is 2 697666217 - 1
has 210018459 decimal digits
takes 22,617.628 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
Actual2710.685357.7465%----0.685357.7465%0.0000%
PrimeNet280350.979562.5000%2600000180000000576.55865.6317%927.538164.6119%2.1119%
GPU722845,615.676364.2857%4000000180000000638.78364.2186%6,254.459965.7924%1.5066%
Difference-13-5,614.9910-6.5392%-4000000-180000000-638.7836-4.2186%-6,253.7746-8.0459%-8.0459%

Known prime factors (1 factor, 71.6 bits, 0.00001027% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69766621737017953127991221462472271.6492652984495019
107 × 24794247617
2020-09-28107247942476170.812763,501118,601

P-1 results:
No P-1 results for M697666217


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-06-25T04:50:00Architects Cubedm1_65263264--0.003--
2012-01-25T11:36:00laleraManual testing264265--0.005--
2013-11-12T09:51:00sasakiManual testing265266--0.011--
2014-09-15T13:26:00sasakiManual testing266268--0.064--
2022-08-10T19:29:55LordJuliusManual testing21268--0.085--
2017-06-15T20:08:06ConductorManual testing268269--0.086--
2018-09-20T22:08:27srow7Manual testing269270--0.171--
2018-11-29T16:42:31Niels_Mache_NextcloudManual testing270271--0.343--
2020-09-28T16:28:45SRBaseManual testing271272*71.649220.12746,3480.261


ECM factoring results:
No ECM results for M697666217


Lucas-Lehmer results:
No L-L results for M697666217


PRP results:
No PRP results for M697666217


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
272
271
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:55+00:00