is 2 697894151 - 1
has 210087074 decimal digits
takes 22,625.018 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%
PrimeNet280350.864962.5000%2600000180000000576.55865.6319%927.423564.6120%2.1120%
GPU722845,613.842264.2857%4000000180000000638.78364.2187%6,252.625865.7924%1.5067%
Difference-11-5,611.1013-5.3816%-4000000-180000000-638.7836-4.2187%-6,249.8849-6.8883%-6.8883%

Known prime factors (2 factors, 138.0 bits, 0.00001978% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6978941511077124693081714375612166.54677169631780
22 × 5 × 3858481589
2013-12-04538584815890.03199,882.018,457
69789415133090723722587401246792271.4872370755197989
32 × 17 × 29 × 97 × 5508401
2022-08-129755084011.202614.11226.349

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
69789415135642835633543759561090740332003980366791942138.033
P-1 results:
No P-1 results for M697894151


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T13:30:00Architects Cubedm1_58263264--0.003--
2012-01-25T14:34:00ANONYMOUSManual testing264265--0.005--
2013-11-24T10:36:00sasakiManual testing265266--0.011--
2013-12-04T10:01:00sasakiManual testing26626766.546210.01146,3640.022
2022-08-12T16:27:11LordJuliusManual testing2127066.546210.03246,3640.065
2022-08-12T16:27:11LordJuliusManual testing270271--0.343--
2022-08-12T16:27:11LordJuliusManual testing27127271.487220.51846,3631.061
2022-08-12T16:27:11LordJuliusManual testing272273--1.371--


ECM factoring results:
No ECM results for M697894151


Lucas-Lehmer results:
No L-L results for M697894151


PRP results:
No PRP results for M697894151


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
273
272
271
270
267
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-12T16:27:11+00:00