is 2 102171529 - 1
has 30756695 decimal digits
takes 406.806 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
Actual276149.787364.4737%8500001785000010.25463.8242%160.041968.2979%5.7979%
PrimeNet2729.360162.5000%450000220000009.37655.3785%18.736567.8785%5.3785%
GPU72276149.787364.4737%6500002200000010.46823.8505%160.255568.3242%3.8505%
Difference---+200000-4150000-0.2136-0.0263%-0.2136-0.0263%-0.0263%

Known prime factors (1 factor, 78.7 bits, 0.00007700% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
1021715294831309435155516570715672478.6772364312975660527
5347 × 6563 × 67374007
6563673740072021-01-121,064.321.22839.581

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-01-12T17:17:42Ben Deloi-0779ff0a33072aaa885000017850000122478.67710.25813.620.513.824%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-26T00:26:001997rj7Manual testing263264--0.019--
2010-08-17T01:44:00James Hintzmom3264265--0.037--
2012-04-21T14:21:00Jud McCranieupstairs265266--0.073--
2013-09-07T01:00:00processinfoManual testing266267--0.146--
2013-09-29T13:50:00SMoffatManual testing267268--0.293--
2013-10-02T16:23:00ITSCP_-_Server2268269--0.585--
2013-10-05T10:43:00ITSCP_-_Server2269270--1.170--
2013-10-08T05:02:00ITSCP_-_Server2270271--2.340--
2014-12-08T08:11:00shaugeManual testing271272--4.681--
2020-03-28T18:03:00SRBaseManual testing272273--9.362--
2020-03-30T14:59:08SRBaseManual testing273274--18.72--
2020-10-15T14:52:46penluManual testing274275--37.45--
2020-10-15T14:52:46penluManual testing275276--74.89--


ECM factoring results:
Exponent "102171529" not found


Lucas-Lehmer results:
Exponent "102171529" not found


PRP results:
Exponent "102171529" not found


P-1 factor-bounds graph:
B1 = 850000, B2 = 17850000 (stage 2)
B1 = 850000 (stage 1)
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108
TF factor-bounds graph:
276
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273
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271
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2100
Last modified: 2021-01-12T17:17:42+00:00