is 2 697861387 - 1
has 210077211 decimal digits
takes 22,623.955 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
Actual2710.685157.7465%----0.685157.7465%0.0000%
PrimeNet280350.881462.5000%2600000180000000576.55865.6318%927.440064.6119%2.1119%
GPU722845,614.105764.2857%4000000180000000638.78364.2187%6,252.889365.7924%1.5067%
Difference-13-5,613.4207-6.5392%-4000000-180000000-638.7836-4.2187%-6,252.2043-8.0459%-8.0459%

Known prime factors (1 factor, 71.9 bits, 0.00001031% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69786138744678398105898869468332271.9203201094009368
23 × 35 × 19 × 4733 × 18311
2020-09-284733183110.82570.25730.4528

P-1 results:
No P-1 results for M697861387


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-01-04T00:00:00lindedv4_computers261262--0.000--
2010-07-18T13:20:00Architects Cubedm1_10263264--0.003--
2012-01-25T14:32:00ANONYMOUSManual testing264265--0.005--
2012-01-26T12:02:00laleraManual testing264265--0.005--
2013-11-24T10:35:00sasakiManual testing265266--0.011--
2014-09-17T09:26:00sasakiManual testing266268--0.064--
2022-08-10T19:30:12LordJuliusManual testing21268--0.085--
2017-06-17T00:28:35ConductorManual testing268269--0.086--
2018-09-21T21:39:09srow7Manual testing269270--0.171--
2018-11-29T16:45:11Niels_Mache_NextcloudManual testing270271--0.343--
2020-09-28T17:04:52SRBaseManual testing271272*71.920220.14146,3610.288


ECM factoring results:
No ECM results for M697861387


Lucas-Lehmer results:
No L-L results for M697861387


PRP results:
No PRP results for M697861387


P-1 factor-bounds graph:
102
103
104
102
103
104
105
TF factor-bounds graph:
272
271
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:30:12+00:00