is 2 102357623 - 1
has 30812715 decimal digits
takes 407.547 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP886579C31EB90DADverified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276149.514964.4737%8550001752750010.18053.8138%159.695465.8286%1.3549%
PrimeNet2729.343162.5000%450000220000009.37655.3797%18.719564.5174%2.0174%
GPU72276149.514964.4737%6500002200000010.46823.8514%159.983265.8419%1.3682%
Difference---+205000-4472500-0.2878-0.0376%-0.2878-0.0133%-0.0133%

Known prime factors:
No known factors for M102357623

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-01-26T07:58:49tottenhoffi5-8400-01855000175275006---10.18--3.814%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-02T23:17:001997rj7Manual testing263264--0.019--
2010-08-18T03:20:00Donna NobleATH2-630-temp264265--0.037--
2012-04-22T08:47:00Andrew Bdell_xps_17265266--0.073--
2013-08-27T10:30:00RobishManual testing266267--0.146--
2014-05-02T15:30:00Jens PedersenHedgehog267268--0.292--
2014-10-08T02:57:00SMoffatManual testing268269--0.584--
2014-10-10T15:56:00shaugeManual testing269270--1.168--
2014-10-10T15:56:00shaugeManual testing270271--2.336--
2014-12-10T08:56:00shaugeManual testing271272--4.672--
2020-03-29T16:51:09SRBaseManual testing272273--9.345--
2020-03-31T14:05:07SRBaseManual testing273274--18.69--
2020-11-04T09:31:08dcheukManual testing274275--37.38--
2020-11-09T06:23:09Hans LoeblichManual testing275276--74.76--


ECM factoring results:
No ECM results for M102357623


Lucas-Lehmer results:
No L-L results for M102357623


PRP results:
dateuseridcompidcofactorsres64PRP
2021-01-28T08:56:13Ben Deloi-00419b3043621efa9886579C31EB90DADno


P-1 factor-bounds graph:
B1 = 855000, B2 = 17527500 (P-1 stage 2)
B1 = 855000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-01-28T08:56:13+00:00