is 2 92655257 - 1
has 27892012 decimal digits
takes 335.618 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual277330.344664.9351%705000125137507.08203.1142%337.426666.0271%1.0920%
PrimeNet2715.159861.9718%400000180000007.13725.5634%12.297064.0875%2.1157%
GPU7227582.584764.0000%600000220000009.27514.1447%91.859865.4921%1.4921%
Difference+2+247.7599+0.9351%+105000-9486250-2.1931-1.0305%+245.5668+0.5350%+0.5350%

Known prime factors (1 factor, 86.3 bits, 0.00009309% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
92655257922502762333609732100077992686.254497814582897120307
7 × 13 × 1523 × 437141 × 8216839
2019-12-084371418216839323,1554.52224.6727

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2019-12-09T00:13:22Jwb52zClay705000125137502686.2547.082671.214.163.114%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2011-01-10T04:20:00Architects Cubedm1_63264265--0.040--
2013-07-12T23:57:00David CampeauManual testing265266--0.081--
2014-04-13T02:40:00Earle LoweManual testing266267--0.161--
2014-04-13T02:40:00Earle LoweManual testing267268--0.323--
2014-04-13T02:40:00Earle LoweManual testing268269--0.645--
2014-04-13T02:40:00Earle LoweManual testing269270--1.290--
2014-04-13T02:40:00Earle LoweManual testing270271--2.581--
2014-04-13T02:40:00Earle LoweManual testing271272--5.162--
2019-01-24T01:51:21storm5510Manual testing272273--10.32--
2019-03-17T17:08:32TravisJankManual testing273274--20.65--
2019-06-24T11:36:21ktonyManual testing274275--41.29--
2019-06-27T16:05:01Strolling JellyfishManual testing275276--82.59--
2019-07-14T18:29:05TheJudgerManual testing276277--165.2--


ECM factoring results:
No ECM results for M92655257


Lucas-Lehmer results:
No L-L results for M92655257


PRP results:
No PRP results for M92655257


P-1 factor-bounds graph:
B1 = 705000, B2 = 12513750 (P-1 stage 2)
B1 = 705000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2019-12-09T00:13:22+00:00