is 2102187201-1
has 30761413 decimal digits
takes 406.868 GHz-days to do one L-L 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
Actual276149.764364.4737%7390002166600010.84903.9041%160.613368.3778%5.8778%
PrimeNet2729.358662.5000%450000220000009.37655.3786%18.735167.8786%5.3786%
GPU72276149.764364.4737%6500002200000010.46823.8506%160.232568.3243%3.8506%
Difference---+89000-334000+0.3808+0.0535%+0.3808+0.0535%+0.0535%

Known prime factors (1 factor, 136.7 bits, 0.00013379% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
10218720114353309198917757703464586997427960188800942136.720702304645711832233444998018755204
22 × 13 × 37 × 41 × 281 × 10079 × 34667 × 35437 × 297907 × 8589323
29790785893232021-01-131.654e+94.32795.0461

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-01-13T22:58:52DRobinsonPEi3-910073900021666000642136.72010.85813.721.703.904%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-02T23:14:001997rj7Manual testing263264--0.019--
2010-08-17T01:22:00sasaki3ssk_saver264265--0.037--
2012-06-05T17:41:00RMAC9.5Compaq-PIII-933265266--0.073--
2013-09-07T01:00:00processinfoManual testing266267--0.146--
2013-09-29T13:50:00SMoffatManual testing267268--0.293--
2013-10-02T18:50:00ANONYMOUSManual testing268269--0.585--
2014-04-30T13:03:00SWL551Manual testing269270--1.170--
2014-07-07T05:58:00Smok_bmvManual testing270271--2.340--
2014-12-08T19:46:00shaugeManual testing271272--4.680--
2020-03-30T14:57:47SRBaseManual testing272273--9.360--
2020-04-01T05:38:11SRBaseManual testing273274--18.72--
2020-10-21T05:34:32ixfd64Manual testing274275--37.44--
2020-10-22T06:08:02Mark RoseManual testing275276--74.88--


ECM factoring results:
Exponent "102187201" not found


Lucas-Lehmer results:
Exponent "102187201" not found


PRP results:
Exponent "102187201" not found


P-1 factor-bounds graph:
B1 = 739000, B2 = 21666000 (stage 2)
B1 = 739000 (stage 1)
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108
TF factor-bounds graph:
276
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2100
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Last modified: 2021-01-13T22:58:52+00:00