is 2 697876321 - 1
has 210081706 decimal digits
takes 22,624.440 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%
PrimeNet280350.873962.5000%2600000180000000576.55865.6319%927.432564.6119%2.1119%
GPU722845,613.985664.2857%4000000180000000638.78364.2187%6,252.769265.7924%1.5067%
Difference-11-5,611.2446-5.3816%-4000000-180000000-638.7836-4.2187%-6,250.0283-6.8883%-6.8883%

Known prime factors (1 factor, 64.0 bits, 0.00000917% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697876321186891721761731044392064.01913390031739
3 × 7 × 23 × 27722633
2012-01-2523277226330.006571.001132.61

P-1 results:
No P-1 results for M697876321


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2012-01-25T14:36:00ANONYMOUSManual testing??64.019200.00146,3630.003
2012-01-26T14:41:00laleraManual testing??64.019200.00146,3630.003
2010-01-04T00:00:00lindedv4_computers261262--0.000--
2010-06-25T07:50:00Architects Cubedm1_48263264--0.003--
2022-08-12T16:27:06LordJuliusManual testing2127064.019200.00746,3630.013
2022-08-12T16:27:06LordJuliusManual testing270271--0.343--
2022-08-12T16:27:06LordJuliusManual testing271272--0.685--
2022-08-12T16:27:06LordJuliusManual testing272273--1.371--


ECM factoring results:
No ECM results for M697876321


Lucas-Lehmer results:
No L-L results for M697876321


PRP results:
No PRP results for M697876321


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: 2022-08-12T16:27:06+00:00