is 2 697890353 - 1
has 210085930 decimal digits
takes 22,624.894 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%
PrimeNet280350.866862.5000%2600000180000000576.55865.6319%927.425464.6120%2.1120%
GPU722845,613.872764.2857%4000000180000000638.78364.2187%6,252.656365.7924%1.5067%
Difference-11-5,611.1318-5.3816%-4000000-180000000-638.7836-4.2187%-6,249.9154-6.8883%-6.8883%

Known prime factors (1 factor, 72.5 bits, 0.00001039% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69789035366179180851320812671612272.4874741373810860
22 × 5 × 97 × 2444007119
2021-04-309724440071192.23666,259.311,691

P-1 results:
No P-1 results for M697890353


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T13:30:00Architects Cubedm1_37263264--0.003--
2012-01-25T14:34:00ANONYMOUSManual testing264265--0.005--
2012-01-26T14:40:00laleraManual testing264265--0.005--
2013-11-24T10:36:00sasakiManual testing265266--0.011--
2013-12-04T10:00:00sasakiManual testing266267--0.021--
2014-12-07T00:30:00sasakiManual testing267268--0.043--
2017-06-17T00:28:49ConductorManual testing268269--0.086--
2018-09-22T22:16:59srow7Manual testing269270--0.171--
2022-08-12T16:27:10LordJuliusManual testing21270--0.342--
2018-11-29T16:45:35Niels_Mache_NextcloudManual testing270271--0.343--
2022-08-12T16:27:10LordJuliusManual testing270271--0.343--
2020-09-28T18:53:47SRBaseManual testing271272--0.685--
2022-08-12T16:27:10LordJuliusManual testing271272--0.685--
2021-04-30T07:49:22SRBaseManual testing272273*72.487220.86646,3611.775
2022-08-12T16:27:10LordJuliusManual testing27227372.487220.86646,3611.775


ECM factoring results:
No ECM results for M697890353


Lucas-Lehmer results:
No L-L results for M697890353


PRP results:
No PRP results for M697890353


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
269
268
267
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-12T16:27:10+00:00