Mersenne ECM top factors

show/hide forum code

M13967 has a factor: 3497798117359203443260143530134347389850527745239 (161.259 bits)
M6329 has a factor: 26367627467345446174566335936121340946860202281 (154.207 bits)
M14327 has a factor: 3141769890007686917158835691682745468462850937 (151.138 bits)
M14009 has a factor: 409822333009668300957056641056847396458241657 (148.200 bits)
M14221 has a factor: 55938879370856475466655577658472309580401039 (145.327 bits)
M5923 has a factor: 39615112643045557727531880705107806493554991 (144.829 bits)
M2496643 has a factor: 5854334687354498162831797921 (92.242 bits)
M6575377 has a factor: 1613758657911738235060565209 (90.382 bits)
M309851 has a factor: 456213294981134197029744673 (88.560 bits)
M457189 has a factor: 362204985426480184538622991 (88.227 bits)
M407207 has a factor: 165870202378875908594462791 (87.100 bits)
M329089 has a factor: 149556384528927805974702743 (86.951 bits)
M173777 has a factor: 122309690222890751313708961 (86.661 bits)
M6634561 has a factor: 9397709657622044527841183 (82.959 bits)
M419201 has a factor: 5360392152235898574500273 (82.149 bits)
M6728273 has a factor: 3845374637835095335726703 (81.669 bits)
M310127 has a factor: 1933222353406064862124001 (80.677 bits)
M6936607 has a factor: 641162786169324776759713 (79.085 bits)
M410009 has a factor: 573233658698571372455711 (78.923 bits)
M6860303 has a factor: 326143059299428623739183 (78.110 bits)
M6862433 has a factor: 204755137571445118826473 (77.438 bits)
M435503 has a factor: 201346837275660859617983 (77.414 bits)
M308521 has a factor: 192082425319685812322393 (77.346 bits)
M394241 has a factor: 131423984709957094857599 (76.799 bits)
M305093 has a factor: 81109291855340303547833 (76.102 bits)
M6717077 has a factor: 23084618379581981457247 (74.289 bits)
M475697 has a factor: 22282238168991481091599 (74.238 bits)
M6711739 has a factor: 16581202696177305435017 (73.812 bits)
M929293 has a factor: 8073798750784545957001 (72.774 bits)
M391661 has a factor: 7780622800852882328143 (72.720 bits)
M726469 has a factor: 5659580746092580938487 (72.261 bits)
M302399 has a factor: 3622995704942990391793 (71.618 bits)
M407959 has a factor: 2848762056375560272009 (71.271 bits)
M6753757 has a factor: 2427348074094492032129 (71.040 bits)
M455167 has a factor: 2213818218953062854263 (70.907 bits)
M5128213 has a factor: 2171621195239479410767 (70.879 bits)
M531017 has a factor: 1368057219315484065553 (70.213 bits)
M124349 has a factor: 959372918475601027679 (69.701 bits)
M209819 has a factor: 894016059223046983183 (69.599 bits)
M365933 has a factor: 545162045525481308479 (68.885 bits)
M6686569 has a factor: 311299972613883741377 (68.077 bits)
M6557123 has a factor: 305833439747213843713 (68.051 bits)
M646859 has a factor: 267498810535700451167 (67.858 bits)
M6766141 has a factor: 263743902802138135073 (67.838 bits)
M6717037 has a factor: 220285446417671769809 (67.578 bits)
M244861 has a factor: 213541300592979161017 (67.533 bits)
M6596869 has a factor: 183549231883288937489 (67.315 bits)
M6545261 has a factor: 166600225335247871449 (67.175 bits)
M6597469 has a factor: 156724704998171081713 (67.087 bits)
M846427 has a factor: 125946848143439048087 (66.771 bits)
M2512841 has a factor: 98665227142181925937 (66.419 bits)
M6798853 has a factor: 81794855990327731831 (66.149 bits)
M6759947 has a factor: 65013817014377135711 (65.817 bits)
M6586243 has a factor: 53379544349577304151 (65.533 bits)
M6565333 has a factor: 46516460614242079249 (65.334 bits)
M849833 has a factor: 26880181928765762327 (64.543 bits)
M909341 has a factor: 21902214225758674783 (64.248 bits)
M1419679 has a factor: 20367228714299686039 (64.143 bits)
M6894079 has a factor: 18037594066389575417 (63.968 bits)
M724487 has a factor: 16874301432194276393 (63.871 bits)
M6997657 has a factor: 15966533535904184161 (63.792 bits)
M3966563 has a factor: 14253449039703546703 (63.628 bits)
M6756721 has a factor: 12823254450383733449 (63.475 bits)
M6679327 has a factor: 9858407376834429857 (63.096 bits)
M427619 has a factor: 9204047286202253713 (62.997 bits)
M3971053 has a factor: 3825602086139965127 (61.730 bits)

For copy-paste to forum:

[M]M13967[/M] has a 161.259-bit (49-digit) factor: [url=https://www.mersenne.ca/M13967]3497798117359203443260143530134347389850527745239[/url] (ECM,B1=11000000,B2=1100000000)
[M]M6329[/M] has a 154.207-bit (47-digit) factor: [url=https://www.mersenne.ca/M6329]26367627467345446174566335936121340946860202281[/url] (ECM,B1=44000000,B2=4400000000)
[M]M14327[/M] has a 151.138-bit (46-digit) factor: [url=https://www.mersenne.ca/M14327]3141769890007686917158835691682745468462850937[/url] (ECM,B1=11000000,B2=1100000000)
[M]M14009[/M] has a 148.200-bit (45-digit) factor: [url=https://www.mersenne.ca/M14009]409822333009668300957056641056847396458241657[/url] (ECM,B1=11000000,B2=1100000000)
[M]M14221[/M] has a 145.327-bit (44-digit) factor: [url=https://www.mersenne.ca/M14221]55938879370856475466655577658472309580401039[/url] (ECM,B1=11000000,B2=1100000000)
[M]M5923[/M] has a 144.829-bit (44-digit) factor: [url=https://www.mersenne.ca/M5923]39615112643045557727531880705107806493554991[/url] (ECM,B1=44000000,B2=4400000000)
[M]M2496643[/M] has a 92.242-bit (28-digit) factor: [url=https://www.mersenne.ca/M2496643]5854334687354498162831797921[/url] (ECM)
[M]M6575377[/M] has a 90.382-bit (28-digit) factor: [url=https://www.mersenne.ca/M6575377]1613758657911738235060565209[/url] (ECM)
[M]M309851[/M] has a 88.560-bit (27-digit) factor: [url=https://www.mersenne.ca/M309851]456213294981134197029744673[/url] (ECM)
[M]M457189[/M] has a 88.227-bit (27-digit) factor: [url=https://www.mersenne.ca/M457189]362204985426480184538622991[/url] (ECM)
[M]M407207[/M] has a 87.100-bit (27-digit) factor: [url=https://www.mersenne.ca/M407207]165870202378875908594462791[/url] (ECM)
[M]M329089[/M] has a 86.951-bit (27-digit) factor: [url=https://www.mersenne.ca/M329089]149556384528927805974702743[/url] (ECM)
[M]M173777[/M] has a 86.661-bit (27-digit) factor: [url=https://www.mersenne.ca/M173777]122309690222890751313708961[/url] (ECM)
[M]M6634561[/M] has a 82.959-bit (25-digit) factor: [url=https://www.mersenne.ca/M6634561]9397709657622044527841183[/url] (ECM)
[M]M419201[/M] has a 82.149-bit (25-digit) factor: [url=https://www.mersenne.ca/M419201]5360392152235898574500273[/url] (ECM)
[M]M6728273[/M] has a 81.669-bit (25-digit) factor: [url=https://www.mersenne.ca/M6728273]3845374637835095335726703[/url] (ECM)
[M]M310127[/M] has a 80.677-bit (25-digit) factor: [url=https://www.mersenne.ca/M310127]1933222353406064862124001[/url] (ECM)
[M]M6936607[/M] has a 79.085-bit (24-digit) factor: [url=https://www.mersenne.ca/M6936607]641162786169324776759713[/url] (ECM)
[M]M410009[/M] has a 78.923-bit (24-digit) factor: [url=https://www.mersenne.ca/M410009]573233658698571372455711[/url] (ECM)
[M]M6860303[/M] has a 78.110-bit (24-digit) factor: [url=https://www.mersenne.ca/M6860303]326143059299428623739183[/url] (ECM)
[M]M6862433[/M] has a 77.438-bit (24-digit) factor: [url=https://www.mersenne.ca/M6862433]204755137571445118826473[/url] (ECM)
[M]M435503[/M] has a 77.414-bit (24-digit) factor: [url=https://www.mersenne.ca/M435503]201346837275660859617983[/url] (ECM)
[M]M308521[/M] has a 77.346-bit (24-digit) factor: [url=https://www.mersenne.ca/M308521]192082425319685812322393[/url] (ECM)
[M]M394241[/M] has a 76.799-bit (24-digit) factor: [url=https://www.mersenne.ca/M394241]131423984709957094857599[/url] (ECM)
[M]M305093[/M] has a 76.102-bit (23-digit) factor: [url=https://www.mersenne.ca/M305093]81109291855340303547833[/url] (ECM)
[M]M6717077[/M] has a 74.289-bit (23-digit) factor: [url=https://www.mersenne.ca/M6717077]23084618379581981457247[/url] (ECM)
[M]M475697[/M] has a 74.238-bit (23-digit) factor: [url=https://www.mersenne.ca/M475697]22282238168991481091599[/url] (ECM)
[M]M6711739[/M] has a 73.812-bit (23-digit) factor: [url=https://www.mersenne.ca/M6711739]16581202696177305435017[/url] (ECM)
[M]M929293[/M] has a 72.774-bit (22-digit) factor: [url=https://www.mersenne.ca/M929293]8073798750784545957001[/url] (ECM)
[M]M391661[/M] has a 72.720-bit (22-digit) factor: [url=https://www.mersenne.ca/M391661]7780622800852882328143[/url] (ECM)
[M]M726469[/M] has a 72.261-bit (22-digit) factor: [url=https://www.mersenne.ca/M726469]5659580746092580938487[/url] (ECM)
[M]M302399[/M] has a 71.618-bit (22-digit) factor: [url=https://www.mersenne.ca/M302399]3622995704942990391793[/url] (ECM)
[M]M407959[/M] has a 71.271-bit (22-digit) factor: [url=https://www.mersenne.ca/M407959]2848762056375560272009[/url] (ECM)
[M]M6753757[/M] has a 71.040-bit (22-digit) factor: [url=https://www.mersenne.ca/M6753757]2427348074094492032129[/url] (ECM)
[M]M455167[/M] has a 70.907-bit (22-digit) factor: [url=https://www.mersenne.ca/M455167]2213818218953062854263[/url] (ECM)
[M]M5128213[/M] has a 70.879-bit (22-digit) factor: [url=https://www.mersenne.ca/M5128213]2171621195239479410767[/url] (ECM)
[M]M531017[/M] has a 70.213-bit (22-digit) factor: [url=https://www.mersenne.ca/M531017]1368057219315484065553[/url] (ECM)
[M]M124349[/M] has a 69.701-bit (21-digit) factor: [url=https://www.mersenne.ca/M124349]959372918475601027679[/url] (ECM)
[M]M209819[/M] has a 69.599-bit (21-digit) factor: [url=https://www.mersenne.ca/M209819]894016059223046983183[/url] (ECM)
[M]M365933[/M] has a 68.885-bit (21-digit) factor: [url=https://www.mersenne.ca/M365933]545162045525481308479[/url] (ECM)
[M]M6686569[/M] has a 68.077-bit (21-digit) factor: [url=https://www.mersenne.ca/M6686569]311299972613883741377[/url] (ECM)
[M]M6557123[/M] has a 68.051-bit (21-digit) factor: [url=https://www.mersenne.ca/M6557123]305833439747213843713[/url] (ECM)
[M]M646859[/M] has a 67.858-bit (21-digit) factor: [url=https://www.mersenne.ca/M646859]267498810535700451167[/url] (ECM)
[M]M6766141[/M] has a 67.838-bit (21-digit) factor: [url=https://www.mersenne.ca/M6766141]263743902802138135073[/url] (ECM)
[M]M6717037[/M] has a 67.578-bit (21-digit) factor: [url=https://www.mersenne.ca/M6717037]220285446417671769809[/url] (ECM)
[M]M244861[/M] has a 67.533-bit (21-digit) factor: [url=https://www.mersenne.ca/M244861]213541300592979161017[/url] (ECM)
[M]M6596869[/M] has a 67.315-bit (21-digit) factor: [url=https://www.mersenne.ca/M6596869]183549231883288937489[/url] (ECM)
[M]M6545261[/M] has a 67.175-bit (21-digit) factor: [url=https://www.mersenne.ca/M6545261]166600225335247871449[/url] (ECM)
[M]M6597469[/M] has a 67.087-bit (21-digit) factor: [url=https://www.mersenne.ca/M6597469]156724704998171081713[/url] (ECM)
[M]M846427[/M] has a 66.771-bit (21-digit) factor: [url=https://www.mersenne.ca/M846427]125946848143439048087[/url] (ECM)
[M]M2512841[/M] has a 66.419-bit (20-digit) factor: [url=https://www.mersenne.ca/M2512841]98665227142181925937[/url] (ECM)
[M]M6798853[/M] has a 66.149-bit (20-digit) factor: [url=https://www.mersenne.ca/M6798853]81794855990327731831[/url] (ECM)
[M]M6759947[/M] has a 65.817-bit (20-digit) factor: [url=https://www.mersenne.ca/M6759947]65013817014377135711[/url] (ECM)
[M]M6586243[/M] has a 65.533-bit (20-digit) factor: [url=https://www.mersenne.ca/M6586243]53379544349577304151[/url] (ECM)
[M]M6565333[/M] has a 65.334-bit (20-digit) factor: [url=https://www.mersenne.ca/M6565333]46516460614242079249[/url] (ECM)
[M]M849833[/M] has a 64.543-bit (20-digit) factor: [url=https://www.mersenne.ca/M849833]26880181928765762327[/url] (ECM)
[M]M909341[/M] has a 64.248-bit (20-digit) factor: [url=https://www.mersenne.ca/M909341]21902214225758674783[/url] (ECM)
[M]M1419679[/M] has a 64.143-bit (20-digit) factor: [url=https://www.mersenne.ca/M1419679]20367228714299686039[/url] (ECM)
[M]M6894079[/M] has a 63.968-bit (20-digit) factor: [url=https://www.mersenne.ca/M6894079]18037594066389575417[/url] (ECM)
[M]M724487[/M] has a 63.871-bit (20-digit) factor: [url=https://www.mersenne.ca/M724487]16874301432194276393[/url] (ECM)
[M]M6997657[/M] has a 63.792-bit (20-digit) factor: [url=https://www.mersenne.ca/M6997657]15966533535904184161[/url] (ECM)
[M]M3966563[/M] has a 63.628-bit (20-digit) factor: [url=https://www.mersenne.ca/M3966563]14253449039703546703[/url] (ECM)
[M]M6756721[/M] has a 63.475-bit (20-digit) factor: [url=https://www.mersenne.ca/M6756721]12823254450383733449[/url] (ECM)
[M]M6679327[/M] has a 63.096-bit (19-digit) factor: [url=https://www.mersenne.ca/M6679327]9858407376834429857[/url] (ECM)
[M]M427619[/M] has a 62.997-bit (19-digit) factor: [url=https://www.mersenne.ca/M427619]9204047286202253713[/url] (ECM)
[M]M3971053[/M] has a 61.730-bit (19-digit) factor: [url=https://www.mersenne.ca/M3971053]3825602086139965127[/url] (ECM)

0M	<	10¹⁰	All tracked exponents
0M	<	2³²	GPU TF range
0M	<	1000M	PrimeNet range
0M	<	193M	low-PrimeNet, low-res
0M	<	385M	low-PrimeNet, high-res
50M	<	146M	PrimeNet wavefront

Biggest factors for Carsten Kossendey	nfs	ecm	p-1	p+1	any
Biggest factors (all users)	nfs	ecm	p-1	p+1	any
Recent factors (all users)	nfs	ecm	p-1	p+1	any
Search by user	nfs	ecm	p-1	p+1	any

Top ECM factors of Mersenne numbers

Top ECM factors of all time for Carsten Kossendey

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	Carsten Kossendey	13967	3497798117359203443260143530134347389850527745239	49	161.259	2015-03-14
2	Carsten Kossendey	6329	26367627467345446174566335936121340946860202281	47	154.207	2016-04-18
3	Carsten Kossendey	14327	3141769890007686917158835691682745468462850937	46	151.138	2014-12-28
4	Carsten Kossendey	14009	409822333009668300957056641056847396458241657	45	148.200	2015-11-06
5	Carsten Kossendey	14221	55938879370856475466655577658472309580401039	44	145.327	2015-11-16
6	Carsten Kossendey	5923	39615112643045557727531880705107806493554991	44	144.829	2016-06-11
7	Carsten Kossendey	2496643	5854334687354498162831797921	28	92.242	2009-02-20
8	Carsten Kossendey	6575377	1613758657911738235060565209	28	90.382	2011-05-31
9	Carsten Kossendey	309851	456213294981134197029744673	27	88.560	2009-03-22
10	Carsten Kossendey	457189	362204985426480184538622991	27	88.227	2011-05-03
11	Carsten Kossendey	407207	165870202378875908594462791	27	87.100	2011-04-16
12	Carsten Kossendey	329089	149556384528927805974702743	27	86.951	2009-03-29
13	Carsten Kossendey	173777	122309690222890751313708961	27	86.661	2009-03-05
14	Carsten Kossendey	6634561	9397709657622044527841183	25	82.959	2011-07-08
15	Carsten Kossendey	419201	5360392152235898574500273	25	82.149	2011-09-07
16	Carsten Kossendey	6728273	3845374637835095335726703	25	81.669	2011-07-13
17	Carsten Kossendey	310127	1933222353406064862124001	25	80.677	2009-03-29
18	Carsten Kossendey	6936607	641162786169324776759713	24	79.085	2011-07-09
19	Carsten Kossendey	410009	573233658698571372455711	24	78.923	2011-05-29
20	Carsten Kossendey	6860303	326143059299428623739183	24	78.110	2011-07-18
21	Carsten Kossendey	6862433	204755137571445118826473	24	77.438	2011-07-07
22	Carsten Kossendey	435503	201346837275660859617983	24	77.414	2012-09-12
23	Carsten Kossendey	308521	192082425319685812322393	24	77.346	2009-04-06
24	Carsten Kossendey	394241	131423984709957094857599	24	76.799	2011-02-12
25	Carsten Kossendey	305093	81109291855340303547833	23	76.102	2009-02-28
26	Carsten Kossendey	6717077	23084618379581981457247	23	74.289	2011-07-08
27	Carsten Kossendey	475697	22282238168991481091599	23	74.238	2012-03-14
28	Carsten Kossendey	6711739	16581202696177305435017	23	73.812	2011-07-12
29	Carsten Kossendey	929293	8073798750784545957001	22	72.774	2011-11-29
30	Carsten Kossendey	391661	7780622800852882328143	22	72.720	2011-02-11
31	Carsten Kossendey	726469	5659580746092580938487	22	72.261	2012-03-27
32	Carsten Kossendey	302399	3622995704942990391793	22	71.618	2009-03-21
33	Carsten Kossendey	407959	2848762056375560272009	22	71.271	2011-05-03
34	Carsten Kossendey	6753757	2427348074094492032129	22	71.040	2011-05-31
35	Carsten Kossendey	455167	2213818218953062854263	22	70.907	2011-04-12
36	Carsten Kossendey	5128213	2171621195239479410767	22	70.879	2010-10-31
37	Carsten Kossendey	531017	1368057219315484065553	22	70.213	2009-03-03
38	Carsten Kossendey	124349	959372918475601027679	21	69.701	2009-03-25
39	Carsten Kossendey	209819	894016059223046983183	21	69.599	2009-03-25
40	Carsten Kossendey	365933	545162045525481308479	21	68.885	2009-02-28
41	Carsten Kossendey	6686569	311299972613883741377	21	68.077	2011-07-01
42	Carsten Kossendey	6557123	305833439747213843713	21	68.051	2011-07-09
43	Carsten Kossendey	646859	267498810535700451167	21	67.858	2009-02-18
44	Carsten Kossendey	6766141	263743902802138135073	21	67.838	2011-07-11
45	Carsten Kossendey	6717037	220285446417671769809	21	67.578	2011-05-31
46	Carsten Kossendey	244861	213541300592979161017	21	67.533	2009-03-25
47	Carsten Kossendey	6596869	183549231883288937489	21	67.315	2011-06-02
48	Carsten Kossendey	6545261	166600225335247871449	21	67.175	2011-07-09
49	Carsten Kossendey	6597469	156724704998171081713	21	67.087	2011-05-31
50	Carsten Kossendey	846427	125946848143439048087	21	66.771	2011-11-23
51	Carsten Kossendey	2512841	98665227142181925937	20	66.419	2009-02-19
52	Carsten Kossendey	6798853	81794855990327731831	20	66.149	2011-07-14
53	Carsten Kossendey	6759947	65013817014377135711	20	65.817	2011-07-14
54	Carsten Kossendey	6586243	53379544349577304151	20	65.533	2011-05-31
55	Carsten Kossendey	6565333	46516460614242079249	20	65.334	2011-05-31
56	Carsten Kossendey	849833	26880181928765762327	20	64.543	2011-11-27
57	Carsten Kossendey	909341	21902214225758674783	20	64.248	2009-02-24
58	Carsten Kossendey	1419679	20367228714299686039	20	64.143	2008-12-16
59	Carsten Kossendey	6894079	18037594066389575417	20	63.968	2011-06-23
60	Carsten Kossendey	724487	16874301432194276393	20	63.871	2011-12-29
61	Carsten Kossendey	6997657	15966533535904184161	20	63.792	2011-06-26
62	Carsten Kossendey	3966563	14253449039703546703	20	63.628	2011-04-25
63	Carsten Kossendey	6756721	12823254450383733449	20	63.475	2011-07-07
64	Carsten Kossendey	6679327	9858407376834429857	19	63.096	2011-07-13
65	Carsten Kossendey	427619	9204047286202253713	19	62.997	2009-03-03
66	Carsten Kossendey	3971053	3825602086139965127	19	61.730	2011-04-26