is 2 697756981 - 1
has 210045781 decimal digits
takes 22,620.571 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
Actual2721.370658.3333%----1.370658.3333%0.0000%
PrimeNet280350.933962.5000%2600000180000000576.55865.6318%927.492564.6119%2.1119%
GPU722845,614.945864.2857%4000000180000000638.78364.2187%6,253.729465.7924%1.5067%
Difference-12-5,613.5752-5.9524%-4000000-180000000-638.7836-4.2187%-6,252.3588-7.4590%-7.4590%

Known prime factors (1 factor, 73.0 bits, 0.00001046% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69775698194314792645369969145372272.9986758427017828
22 × 1689606754457
2021-04-30416896067544572.56584,327,2518,082,100

P-1 results:
No P-1 results for M697756981


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-01-04T00:00:00lindedv4_computers261262--0.000--
2010-07-18T10:40:00Architects Cubedm1_06263264--0.003--
2012-01-25T11:37:00laleraManual testing264265--0.005--
2013-11-23T03:14:00sasakiManual testing265266--0.011--
2014-09-15T13:27:00sasakiManual testing266268--0.064--
2022-08-10T19:30:02LordJuliusManual testing21268--0.085--
2017-06-16T15:01:18ConductorManual testing268269--0.086--
2018-09-21T21:37:33srow7Manual testing269270--0.171--
2018-11-29T16:43:48Niels_Mache_NextcloudManual testing270271--0.343--
2020-09-28T18:25:02SRBaseManual testing271272--0.685--
2021-04-30T07:47:56SRBaseManual testing272273*72.998221.19546,3532.449


ECM factoring results:
No ECM results for M697756981


Lucas-Lehmer results:
No L-L results for M697756981


PRP results:
No PRP results for M697756981


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
TF factor-bounds graph:
273
272
271
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:30:02+00:00