is 2 102577817 - 1
has 30879000 decimal digits
takes 408.424 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276149.194064.4737%8550001795500010.31493.8331%159.508968.3068%5.8068%
PrimeNet2729.323062.5000%450000220000009.37655.3810%18.699567.8810%5.3810%
GPU72276149.194064.4737%6500002200000010.46823.8524%159.662268.3261%3.8524%
Difference---+205000-4045000-0.1533-0.0192%-0.1533-0.0192%-0.0192%

Known prime factors (1 factor, 79.5 bits, 0.00007751% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
1025778178580290838345374964993612479.5054182332539961040
24 × 3 × 5 × 108499 × 160613329
1084991606133292021-02-091,612.151.11394.358

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-02-09T07:41:48Ben Deloi-0016e280292376c1085500017955000122479.50510.31816.820.633.833%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-10T01:09:001997rj7Manual testing263264--0.019--
2010-08-19T01:58:00Aliali-pone264265--0.036--
2012-04-23T23:51:00subgeniusgigacare265266--0.073--
2013-08-27T19:02:00ANONYMOUS266267--0.146--
2014-07-02T15:58:00PascalBieriManual testing267268--0.291--
2014-07-09T03:25:00SMoffatManual testing268269--0.583--
2014-07-14T07:47:00Preben SManual testing269270--1.166--
2014-10-20T23:44:00PascalBieriManual testing270271--2.331--
2014-12-10T14:59:00RichD0Manual testing271272--4.662--
2020-03-09T22:11:44el groccoManual testing272273--9.325--
2020-03-30T14:59:18SRBaseManual testing273274--18.65--
2020-11-08T21:35:09TheJudgerManual testing274275--37.30--
2020-11-08T21:35:09TheJudgerManual testing275276--74.60--


ECM factoring results:
Exponent "102577817" not found


Lucas-Lehmer results:
Exponent "102577817" not found


PRP results:
Exponent "102577817" not found


P-1 factor-bounds graph:
B1 = 855000, B2 = 17955000 (stage 2)
B1 = 855000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2021-02-09T07:41:48+00:00