is 2 697879873 - 1
has 210082776 decimal digits
takes 22,624.555 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%
PrimeNet280350.872162.5000%2600000180000000576.55865.6319%927.430764.6119%2.1119%
GPU722845,613.957064.2857%4000000180000000638.78364.2187%6,252.740665.7924%1.5067%
Difference-11-5,611.2161-5.3816%-4000000-180000000-638.7836-4.2187%-6,249.9997-6.8883%-6.8883%

Known prime factors (1 factor, 65.6 bits, 0.00000940% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697879873565919048382124162632065.61740545591747
3 × 19 × 601 × 1183571
2013-11-2460111835710.01163.05805.6615

P-1 results:
No P-1 results for M697879873


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T13:20:00Architects Cubedm1_61263264--0.003--
2012-01-25T14:33:00ANONYMOUSManual testing264265--0.005--
2012-01-26T14:39:00laleraManual testing264265--0.005--
2013-11-24T10:36:00sasakiManual testing26526665.617200.00146,3630.002
2022-08-12T16:27:07LordJuliusManual testing2127065.617200.01246,3630.024
2022-08-12T16:27:07LordJuliusManual testing270271--0.343--
2022-08-12T16:27:07LordJuliusManual testing271272--0.685--
2022-08-12T16:27:07LordJuliusManual testing272273--1.371--


ECM factoring results:
No ECM results for M697879873


Lucas-Lehmer results:
No L-L results for M697879873


PRP results:
No PRP results for M697879873


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
TF factor-bounds graph:
273
272
271
270
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-12T16:27:07+00:00