is 2 697881931 - 1
has 210083395 decimal digits
takes 22,624.621 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
Actual2732.740958.9041%----2.740958.9041%0.0000%
PrimeNet280350.871062.5000%2600000180000000576.55865.6319%927.429764.6119%2.1119%
GPU722845,613.940564.2857%4000000180000000638.78364.2187%6,252.724165.7924%1.5067%
Difference-11-5,611.1995-5.3816%-4000000-180000000-638.7836-4.2187%-6,249.9832-6.8883%-6.8883%

Known prime factors (1 factor, 69.9 bits, 0.00001001% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69788193110921306654021121246412269.888782460912720
24 × 3 × 5 × 73 × 1117 × 39983
2018-09-221117399830.32900.15200.1912

P-1 results:
No P-1 results for M697881931


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-06-26T23:50:00Architects Cubedm1_30263264--0.003--
2012-01-25T14:33:00ANONYMOUSManual testing264265--0.005--
2012-01-26T14:39:00laleraManual testing264265--0.005--
2013-11-24T10:36:00sasakiManual testing265266--0.011--
2014-09-17T09:26:00sasakiManual testing266268--0.064--
2017-06-17T00:28:46ConductorManual testing268269--0.086--
2018-09-22T22:16:45srow7Manual testing26927069.888220.15846,3630.324
2022-08-12T16:27:08LordJuliusManual testing2127069.888220.32946,3630.674
2022-08-12T16:27:08LordJuliusManual testing270271--0.343--
2022-08-12T16:27:08LordJuliusManual testing271272--0.685--
2022-08-12T16:27:08LordJuliusManual testing272273--1.371--


ECM factoring results:
No ECM results for M697881931


Lucas-Lehmer results:
No L-L results for M697881931


PRP results:
No PRP results for M697881931


P-1 factor-bounds graph:
102
103
104
102
103
104
105
TF factor-bounds graph:
273
272
271
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-12T16:27:08+00:00