is 2 697887989 - 1
has 210085219 decimal digits
takes 22,624.818 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%
PrimeNet280350.868062.5000%2600000180000000576.55865.6319%927.426664.6120%2.1120%
GPU722845,613.891764.2857%4000000180000000638.78364.2187%6,252.675365.7924%1.5067%
Difference-11-5,611.1508-5.3816%-4000000-180000000-638.7836-4.2187%-6,249.9344-6.8883%-6.8883%

Known prime factors (1 factor, 70.7 bits, 0.00001013% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69788798919508850993377429007772270.7251397706458692
22 × 21911 × 15947543
2018-11-2921911159475430.519841.81776.284

P-1 results:
No P-1 results for M697887989


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T13:30:00Architects Cubedm1_18263264--0.003--
2012-01-25T14:33:00ANONYMOUSManual testing264265--0.005--
2012-01-26T14:40:00laleraManual testing264265--0.005--
2013-11-24T10:36:00sasakiManual testing265266--0.011--
2014-09-17T09:26:00sasakiManual testing266268--0.064--
2017-06-17T00:28:48ConductorManual testing268269--0.086--
2018-09-22T22:16:55srow7Manual testing269270--0.171--
2022-08-12T16:27:09LordJuliusManual testing21270--0.342--
2018-11-29T17:14:53Niels_Mache_NextcloudManual testing27027170.725220.17746,3630.364
2022-08-12T16:27:09LordJuliusManual testing27027170.725220.17746,3630.364
2022-08-12T16:27:09LordJuliusManual testing271272--0.685--
2022-08-12T16:27:09LordJuliusManual testing272273--1.371--


ECM factoring results:
No ECM results for M697887989


Lucas-Lehmer results:
No L-L results for M697887989


PRP results:
No PRP results for M697887989


P-1 factor-bounds graph:
103
104
105
103
104
105
106
107
108
TF factor-bounds graph:
273
272
271
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-12T16:27:09+00:00