is 2 697841387 - 1
has 210071190 decimal digits
takes 22,623.307 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
Actual2721.370458.3333%----1.370458.3333%0.0000%
PrimeNet280350.891462.5000%2600000180000000576.55865.6318%927.450064.6119%2.1119%
GPU722845,614.266664.2857%4000000180000000638.78364.2187%6,253.050265.7924%1.5067%
Difference-12-5,612.8962-5.9524%-4000000-180000000-638.7836-4.2187%-6,251.6798-7.4591%-7.4591%

Known prime factors (1 factor, 73.0 bits, 0.00001046% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69784138792970732686538465670092272.9776661308315792
24 × 3 × 13 × 67 × 347 × 459167
2021-04-303474591672.45981.19142.1964

P-1 results:
No P-1 results for M697841387


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T12:20:00Architects Cubedm1_61263264--0.003--
2012-01-25T11:30:00laleraManual testing264265--0.005--
2013-11-24T10:34:00sasakiManual testing265266--0.011--
2014-09-17T09:25:00sasakiManual testing266268--0.064--
2022-08-10T19:30:09LordJuliusManual testing21268--0.085--
2017-06-16T20:58:09ConductorManual testing268269--0.086--
2018-09-21T21:38:48srow7Manual testing269270--0.171--
2018-11-29T16:44:53Niels_Mache_NextcloudManual testing270271--0.343--
2020-09-28T16:35:32SRBaseManual testing271272--0.685--
2021-04-30T05:39:51SRBaseManual testing272273*72.977221.08946,3582.232


ECM factoring results:
No ECM results for M697841387


Lucas-Lehmer results:
No L-L results for M697841387


PRP results:
No PRP results for M697841387


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
TF factor-bounds graph:
273
272
271
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:30:09+00:00