is 2 697868531 - 1
has 210079361 decimal digits
takes 22,624.187 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
Actual2732.741058.9041%----2.741058.9041%0.0000%
PrimeNet280350.877862.5000%2600000180000000576.55865.6319%927.436464.6119%2.1119%
GPU722845,614.048364.2857%4000000180000000638.78364.2187%6,252.831965.7924%1.5067%
Difference-11-5,611.3073-5.3816%-4000000-180000000-638.7836-4.2187%-6,250.0909-6.8883%-6.8883%

Known prime factors (1 factor, 64.1 bits, 0.00000919% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697868531203829406700839743192064.14414603710989
3 × 7 × 29 × 23979821
2012-01-2529239798210.007361.416114.71

P-1 results:
No P-1 results for M697868531


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2012-01-25T14:36:00ANONYMOUSManual testing??64.144200.00246,3630.004
2012-01-26T14:41:00laleraManual testing??64.144200.00246,3630.004
2010-01-04T00:00:00lindedv4_computers261262--0.000--
2010-06-26T23:50:00Architects Cubedm1_28263264--0.003--
2022-08-12T16:27:04LordJuliusManual testing2127064.144200.00746,3630.015
2022-08-12T16:27:04LordJuliusManual testing270271--0.343--
2022-08-12T16:27:04LordJuliusManual testing271272--0.685--
2022-08-12T16:27:04LordJuliusManual testing272273--1.371--


ECM factoring results:
No ECM results for M697868531


Lucas-Lehmer results:
No L-L results for M697868531


PRP results:
No PRP results for M697868531


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
273
272
271
270
264
262
2
250
260
270
280
290
2100
Last modified: 2022-08-12T16:27:04+00:00