Mersenne P-1 top factors

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M4458499 has a factor: 352238243420850428463078763105111595617 (128.050 bits)
M4464949 has a factor: 9791177187269650445592629900899441633 (122.881 bits)
M4465343 has a factor: 42165077070065126252432964271601 (105.056 bits)
M4400041 has a factor: 38904136238395019959751663850457 (104.940 bits)
M4455863 has a factor: 8953137619731136314330584796743 (102.820 bits)
M4455229 has a factor: 4956978426499150937356106749447 (101.967 bits)
M4462879 has a factor: 1607592084466877268660001394911 (100.343 bits)
M4462889 has a factor: 1102193710831934580397316530009 (99.798 bits)
M4463057 has a factor: 971499221049180440204576147713 (99.616 bits)
M4400021 has a factor: 617118102981978554242409156447 (98.961 bits)
M4467929 has a factor: 188560347629498479185379548409 (97.251 bits)
M4462049 has a factor: 95637514213220612379075523039 (96.272 bits)
M4465277 has a factor: 34695307091002497911258884967 (94.809 bits)
M118869307 has a factor: 8952077238880598473043172191 (92.854 bits)
M4460039 has a factor: 7441555340680126025671719887 (92.588 bits)
M4461767 has a factor: 5013566532340995911830135543 (92.018 bits)
M4463761 has a factor: 4503379237318863215354625383 (91.863 bits)
M4461971 has a factor: 1819105266449511731870301431 (90.555 bits)
M4456367 has a factor: 317193336257303911298692847 (88.035 bits)
M4449871 has a factor: 71975857787451988688130817 (85.896 bits)
M4460593 has a factor: 31871296592389228341373177 (84.720 bits)
M4468333 has a factor: 26105329511789184478852111 (84.433 bits)
M116242177 has a factor: 9055127544148460239942297 (82.905 bits)
M4463857 has a factor: 3605356935636322689138871 (81.576 bits)
M115765807 has a factor: 994124559629824409296303 (79.718 bits)
M4461971 has a factor: 318888728333955926681303 (78.077 bits)
M4462277 has a factor: 215934114976566644769847 (77.515 bits)
M4462763 has a factor: 66333173652348306529481 (75.812 bits)
M4463059 has a factor: 62725745175941415733489 (75.731 bits)
M4461203 has a factor: 51912994584758919811697 (75.459 bits)
M4459541 has a factor: 33911357670335255762287 (74.844 bits)
M4456213 has a factor: 16879432220618629979087 (73.838 bits)
M4467013 has a factor: 4326416863357191036671 (71.874 bits)
M4458893 has a factor: 3816059619942171459953 (71.693 bits)
M4460161 has a factor: 3095006888580285622201 (71.390 bits)
M4468847 has a factor: 2917601244210237652079 (71.305 bits)
M4400041 has a factor: 1237480695741472602463 (70.068 bits)
M4400329 has a factor: 569183935721821835033 (68.947 bits)

For copy-paste to forum:

[M]M4458499[/M] has a 128.050-bit (39-digit) factor: [url=https://www.mersenne.ca/M4458499]352238243420850428463078763105111595617[/url] (P-1,B1=7500000,B2=12441625350)
[M]M4464949[/M] has a 122.881-bit (37-digit) factor: [url=https://www.mersenne.ca/M4464949]9791177187269650445592629900899441633[/url] (P-1,B1=7500000,B2=12441625350)
[M]M4465343[/M] has a 105.056-bit (32-digit) factor: [url=https://www.mersenne.ca/M4465343]42165077070065126252432964271601[/url] (P-1,B1=7500000,B2=7500000)
[M]M4400041[/M] has a 104.940-bit (32-digit) factor: [url=https://www.mersenne.ca/M4400041]38904136238395019959751663850457[/url] (P-1,B1=7500000,B2=19229655900)
[M]M4455863[/M] has a 102.820-bit (31-digit) factor: [url=https://www.mersenne.ca/M4455863]8953137619731136314330584796743[/url] (P-1,B1=7500000,B2=12298590150)
[M]M4455229[/M] has a 101.967-bit (31-digit) factor: [url=https://www.mersenne.ca/M4455229]4956978426499150937356106749447[/url] (P-1,B1=10000000,B2=12171147450)
[M]M4462879[/M] has a 100.343-bit (31-digit) factor: [url=https://www.mersenne.ca/M4462879]1607592084466877268660001394911[/url] (P-1,B1=7500000,B2=12441625350)
[M]M4462889[/M] has a 99.798-bit (31-digit) factor: [url=https://www.mersenne.ca/M4462889]1102193710831934580397316530009[/url] (P-1,B1=7500000,B2=12441625350)
[M]M4463057[/M] has a 99.616-bit (30-digit) factor: [url=https://www.mersenne.ca/M4463057]971499221049180440204576147713[/url] (P-1,B1=7500000,B2=12441625350)
[M]M4400021[/M] has a 98.961-bit (30-digit) factor: [url=https://www.mersenne.ca/M4400021]617118102981978554242409156447[/url] (P-1,B1=7500000,B2=19231130100)
[M]M4467929[/M] has a 97.251-bit (30-digit) factor: [url=https://www.mersenne.ca/M4467929]188560347629498479185379548409[/url] (P-1,B1=10712789,B2=18877701150)
[M]M4462049[/M] has a 96.272-bit (29-digit) factor: [url=https://www.mersenne.ca/M4462049]95637514213220612379075523039[/url] (P-1,B1=7500000,B2=7500000)
[M]M4465277[/M] has a 94.809-bit (29-digit) factor: [url=https://www.mersenne.ca/M4465277]34695307091002497911258884967[/url] (P-1,B1=7500000,B2=12441625350)
[M]M118869307[/M] has a 92.854-bit (28-digit) factor: [url=https://www.mersenne.ca/M118869307]8952077238880598473043172191[/url] (P-1,B1=665000,B2=56058156)
[M]M4460039[/M] has a 92.588-bit (28-digit) factor: [url=https://www.mersenne.ca/M4460039]7441555340680126025671719887[/url] (P-1,B1=7500000,B2=7500000)
[M]M4461767[/M] has a 92.018-bit (28-digit) factor: [url=https://www.mersenne.ca/M4461767]5013566532340995911830135543[/url] (P-1,B1=7500000,B2=12441625350)
[M]M4463761[/M] has a 91.863-bit (28-digit) factor: [url=https://www.mersenne.ca/M4463761]4503379237318863215354625383[/url] (P-1,B1=7500000,B2=7500000)
[M]M4461971[/M] has a 90.555-bit (28-digit) factor: [url=https://www.mersenne.ca/M4461971]1819105266449511731870301431[/url] (P-1,B1=7500000,B2=7500000)
[M]M4456367[/M] has a 88.035-bit (27-digit) factor: [url=https://www.mersenne.ca/M4456367]317193336257303911298692847[/url] (P-1,B1=7500000,B2=12441625350)
[M]M4449871[/M] has a 85.896-bit (26-digit) factor: [url=https://www.mersenne.ca/M4449871]71975857787451988688130817[/url] (P-1,B1=18000209,B2=46105632300)
[M]M4460593[/M] has a 84.720-bit (26-digit) factor: [url=https://www.mersenne.ca/M4460593]31871296592389228341373177[/url] (P-1,B1=7500000,B2=12298590150)
[M]M4468333[/M] has a 84.433-bit (26-digit) factor: [url=https://www.mersenne.ca/M4468333]26105329511789184478852111[/url] (P-1,B1=10712789,B2=18877701150)
[M]M116242177[/M] has a 82.905-bit (25-digit) factor: [url=https://www.mersenne.ca/M116242177]9055127544148460239942297[/url] (P-1,B1=650000,B2=54807522)
[M]M4463857[/M] has a 81.576-bit (25-digit) factor: [url=https://www.mersenne.ca/M4463857]3605356935636322689138871[/url] (P-1,B1=7500000,B2=12441625350)
[M]M115765807[/M] has a 79.718-bit (24-digit) factor: [url=https://www.mersenne.ca/M115765807]994124559629824409296303[/url] (P-1,B1=545000,B2=21819000)
[M]M4461971[/M] has a 78.077-bit (24-digit) factor: [url=https://www.mersenne.ca/M4461971]318888728333955926681303[/url] (P-1,B1=7500000,B2=12441625350)
[M]M4462277[/M] has a 77.515-bit (24-digit) factor: [url=https://www.mersenne.ca/M4462277]215934114976566644769847[/url] (P-1,B1=7500000,B2=12441625350)
[M]M4462763[/M] has a 75.812-bit (23-digit) factor: [url=https://www.mersenne.ca/M4462763]66333173652348306529481[/url] (P-1,B1=7500000,B2=12441625350)
[M]M4463059[/M] has a 75.731-bit (23-digit) factor: [url=https://www.mersenne.ca/M4463059]62725745175941415733489[/url] (P-1,B1=7500000,B2=12441625350)
[M]M4461203[/M] has a 75.459-bit (23-digit) factor: [url=https://www.mersenne.ca/M4461203]51912994584758919811697[/url] (P-1,B1=7500000,B2=12441625350)
[M]M4459541[/M] has a 74.844-bit (23-digit) factor: [url=https://www.mersenne.ca/M4459541]33911357670335255762287[/url] (P-1,B1=7500000,B2=12441625350)
[M]M4456213[/M] has a 73.838-bit (23-digit) factor: [url=https://www.mersenne.ca/M4456213]16879432220618629979087[/url] (P-1,B1=7500000,B2=12441625350)
[M]M4467013[/M] has a 71.874-bit (22-digit) factor: [url=https://www.mersenne.ca/M4467013]4326416863357191036671[/url] (P-1,B1=10712789,B2=18877701150)
[M]M4458893[/M] has a 71.693-bit (22-digit) factor: [url=https://www.mersenne.ca/M4458893]3816059619942171459953[/url] (P-1,B1=7500000,B2=12441625350)
[M]M4460161[/M] has a 71.390-bit (22-digit) factor: [url=https://www.mersenne.ca/M4460161]3095006888580285622201[/url] (P-1,B1=7500000,B2=12298590150)
[M]M4468847[/M] has a 71.305-bit (22-digit) factor: [url=https://www.mersenne.ca/M4468847]2917601244210237652079[/url] (P-1,B1=10712789,B2=18877701150)
[M]M4400041[/M] has a 70.068-bit (22-digit) factor: [url=https://www.mersenne.ca/M4400041]1237480695741472602463[/url] (P-1,B1=7500000,B2=19229655900)
[M]M4400329[/M] has a 68.947-bit (21-digit) factor: [url=https://www.mersenne.ca/M4400329]569183935721821835033[/url] (P-1,B1=7500000,B2=19229655900)

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 xss	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
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Top P-1 factors of Mersenne numbers

Top P-1 factors of all time for xss

#	User	Exponent	Factor	Digits	Bits ↓ *	Date
1	xss	4458499	352238243420850428463078763105111595617	39	128.050	2022-08-18
2	xss	4464949	9791177187269650445592629900899441633	37	122.881	2022-08-08
3	xss	4465343	42165077070065126252432964271601	32	105.056	2022-08-14
4	xss	4400041	38904136238395019959751663850457	32	104.940	2022-08-19
5	xss	4455863	8953137619731136314330584796743	31	102.820	2022-07-09
6	xss	4455229	4956978426499150937356106749447	31	101.967	2022-08-09
7	xss	4462879	1607592084466877268660001394911	31	100.343	2022-07-16
8	xss	4462889	1102193710831934580397316530009	31	99.798	2022-07-16
9	xss	4463057	971499221049180440204576147713	30	99.616	2022-07-16
10	xss	4400021	617118102981978554242409156447	30	98.961	2022-08-15
11	xss	4467929	188560347629498479185379548409	30	97.251	2022-08-24
12	xss	4462049	95637514213220612379075523039	29	96.272	2022-07-15
13	xss	4465277	34695307091002497911258884967	29	94.809	2022-08-13
14	xss	118869307	8952077238880598473043172191	28	92.854	2023-08-12
15	xss	4460039	7441555340680126025671719887	28	92.588	2022-07-10
16	xss	4461767	5013566532340995911830135543	28	92.018	2022-07-13
17	xss	4463761	4503379237318863215354625383	28	91.863	2022-07-17
18	xss	4461971	1819105266449511731870301431	28	90.555	2022-07-15
19	xss	4456367	317193336257303911298692847	27	88.035	2022-08-13
20	xss	4449871	71975857787451988688130817	26	85.896	2022-09-09
21	xss	4460593	31871296592389228341373177	26	84.720	2022-07-11
22	xss	4468333	26105329511789184478852111	26	84.433	2022-08-29
23	xss	116242177	9055127544148460239942297	25	82.905	2022-08-21
24	xss	4463857	3605356935636322689138871	25	81.576	2022-07-18
25	xss	115765807	994124559629824409296303	24	79.718	2022-06-16
26	xss	4461971	318888728333955926681303	24	78.077	2022-07-18
27	xss	4462277	215934114976566644769847	24	77.515	2022-07-15
28	xss	4462763	66333173652348306529481	23	75.812	2022-07-16
29	xss	4463059	62725745175941415733489	23	75.731	2022-07-16
30	xss	4461203	51912994584758919811697	23	75.459	2022-07-12
31	xss	4459541	33911357670335255762287	23	74.844	2022-08-12
32	xss	4456213	16879432220618629979087	23	73.838	2022-08-13
33	xss	4467013	4326416863357191036671	22	71.874	2022-08-21
34	xss	4458893	3816059619942171459953	22	71.693	2022-08-17
35	xss	4460161	3095006888580285622201	22	71.390	2022-07-10
36	xss	4468847	2917601244210237652079	22	71.305	2022-09-03
37	xss	4400041	1237480695741472602463	22	70.068	2022-08-19
38	xss	4400329	569183935721821835033	21	68.947	2022-09-11