is 2 4217750177 - 1
has 1269669318 decimal digits
takes 1,141,575.091 GHz-days to do one PRP test
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual28058.056260.0000%----58.056260.0000%0.0000%
PrimeNet28814,862.398663.6364%13000000120000000030,482.50995.5362%45,344.908565.6495%2.0131%
GPU72292237,798.378965.2174%20000000120000000033,080.03134.2576%270,878.410266.6983%1.4809%
Difference-12-237,740.3227-5.2174%-20000000-1200000000-33,080.0313-4.2576%-270,820.3540-6.6983%-6.6983%

Known prime factors (5 factors, 309.6 bits, 0.00000734% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
421775017768158842860331342.632808
23 × 101
2012-08-2081012.672e-100.00510.0064
4217750177802494616126428754332066.1219513301908
22 × 3 × 11 × 101 × 713569
2020-12-291017135690.006415.29528.497
4217750177810498077483318021292066.1359608180232
23 × 3 × 7 × 293 × 195193
2020-12-292931951930.00564.28247.7953
42177501771726145388958076344972167.22620462869024
25 × 13 × 47 × 1046587
2020-12-294710465870.012222.39641.796
42177501772046588079676514458172167.47224261608604
22 × 3 × 23 × 421 × 208799
2020-12-294212087990.01254.62088.3386

26 Composite Factors:
exponentprime factorscomposite factordigitsbits*
421775017754697104436822102582685736072728933108.753
421775017755242611101785041650080739436425733108.767
4217750177117652072320076732703049546608040134109.858
4217750177139493075322496082653220322937396134110.104
4217750177650420343561183804224074093426935119685740132.257
42177501771385222381290316527873826610407596461220141133.347
42177501771399037519207215085067448496505655844411341133.362
42177501771642375915368929455867710725022667991376141133.593
42177501771658755703978090651474435770296800874439341133.607
42177501773532708576830179590921110531992873554904941134.698
421775017744331897989948578421060861018277374164903807478598
281
53174.889
421775017794415154612978811648838762299856170532027386605688
633
53175.979
421775017795356778427350487142672135552544513804317272336973
729
53175.994
421775017711194244193322150576098434697519304210141291549680
0113
54176.225
421775017711305886937111874697899386488980927016581678359696
2969
54176.239
421775017724078532875950824147352501467179723774417030961713
2617
54177.330
421775017711227200769226652649349110676565461261336433657694
04951175929
61199.483
421775017713311425219114219471598993939787265160398488177482
15436197169
61199.728
421775017728349796132498774128068203882955217600400652580022
25368613217
61200.819
421775017728632535098296890331539810851240037847667502548151
04442125321
61200.833
421775017776523301299109551790463351125905876513811397748382
47737361002055940499657
73242.115
421775017790729133975663992367857575330168017589688304817350
54507104610894180840577
73242.360
421775017719322892997173751176613588192830490161241895740513
225796475456799372298161
74243.451
421775017719515604604577011383165132434532007133805311361978
068960939670293195941593
74243.465
421775017722977455262434261006390833146907706293115493873960
1505460173743885848991178138993
81266.954
421775017715661167625625194172514215583366706230939715898632
70659946348269461532450288263205821442584769
94309.587
P-1 results:
Exponent "4217750177" not found


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2020-12-29T11:08:36slaurnocebo-165026426867.472210.0132,321,9900.027
2021-01-05T13:33:02slaursekunda-rtx2060274276--2.721--
2020-12-31T18:29:14ViliamF3GPU275276--1.814--
2020-12-31T18:29:14ViliamF3GPU276277--3.629--
2020-12-31T18:29:14ViliamF3GPU277278--7.257--
2020-12-31T18:29:14ViliamF3GPU278279--14.51--
2020-12-31T18:29:14ViliamF3GPU279280--29.03--


ECM factoring results:
Exponent "4217750177" not found


Lucas-Lehmer results:
Exponent "4217750177" not found


PRP results:
Exponent "4217750177" not found


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
TF factor-bounds graph:
280
279
278
277
276
268
240
250
260
270
280
290
2100
Last modified: 2021-01-05T13:33:02+00:00