is 2 697908661 - 1
has 210091442 decimal digits
takes 22,625.488 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
Actual2732.740858.9041%----2.740858.9041%0.0000%
PrimeNet280350.857662.5000%2600000180000000576.55865.6319%927.416264.6120%2.1120%
GPU722845,613.725564.2857%4000000180000000638.78364.2188%6,252.509165.7924%1.5067%
Difference-11-5,610.9846-5.3816%-4000000-180000000-638.7836-4.2188%-6,249.7682-6.8883%-1.5067%

Known prime factors:
No known factors for M697908661

P-1 results:
No P-1 results for M697908661


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2022-04-07T03:42:12LordJuliusManual testing21263--0.002--
2010-07-18T13:41:00Architects Cubedm1_74263264--0.003--
2012-01-25T15:56:00laleraManual testing264265--0.005--
2013-11-13T23:21:00sasakiManual testing265266--0.011--
2014-09-17T09:26:00sasakiManual testing266268--0.064--
2017-06-17T12:59:56ConductorManual testing268269--0.086--
2018-09-22T22:17:30srow7Manual testing269270--0.171--
2018-11-29T16:45:51Niels_Mache_NextcloudManual testing270271--0.343--
2020-09-28T19:02:45SRBaseManual testing271272--0.685--
2021-05-01T23:18:50SRBaseManual testing272273--1.371--


ECM factoring results:
No ECM results for M697908661


Lucas-Lehmer results:
No L-L results for M697908661


PRP results:
No PRP results for M697908661


TF factor-bounds graph:
273
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2100
Last modified: 2022-04-07T03:42:12+00:00