is 2 697880987 - 1
has 210083111 decimal digits
takes 22,624.591 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%
PrimeNet280350.871562.5000%2600000180000000576.55865.6319%927.430164.6119%2.1119%
GPU722845,613.948164.2857%4000000180000000638.78364.2187%6,252.731765.7924%1.5067%
Difference-11-5,611.2071-5.3816%-4000000-180000000-638.7836-4.2187%-6,249.9907-6.8883%-6.8883%

Known prime factors (1 factor, 67.9 bits, 0.00000973% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6978809872813806567869222852892167.931201596448412
22 × 593 × 84990071
2014-09-17593849900710.0809217.69406.54

P-1 results:
No P-1 results for M697880987


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T13:30:00Architects Cubedm1_46263264--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 testing26626867.931210.06046,3630.122
2022-08-12T16:27:08LordJuliusManual testing2127067.931210.08146,3630.166
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 M697880987


Lucas-Lehmer results:
No L-L results for M697880987


PRP results:
No PRP results for M697880987


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
TF factor-bounds graph:
273
272
271
270
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-12T16:27:08+00:00