is 2 697721503 - 1
has 210035102 decimal digits
takes 22,619.420 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
Actual2721.370758.3333%----1.370758.3333%0.0000%
PrimeNet280350.951762.5000%2600000180000000576.55865.6317%927.510364.6119%2.1119%
GPU722845,615.231364.2857%4000000180000000638.78364.2186%6,254.014965.7924%1.5067%
Difference-12-5,613.8606-5.9524%-4000000-180000000-638.7836-4.2186%-6,252.6442-7.4590%-7.4590%

Known prime factors (1 factor, 72.8 bits, 0.00001044% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69772150383349811813005332567592272.8205973000076293
3 × 23 × 1609 × 53800633
2021-04-301609538006331.8790137.86257.35

P-1 results:
No P-1 results for M697721503


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-06-22T21:30:00Architects Cubedm1_60263264--0.003--
2012-01-25T09:42:00laleraManual testing264265--0.005--
2013-11-21T06:30:00sasakiManual testing265266--0.011--
2014-09-15T13:27:00sasakiManual testing266268--0.064--
2022-08-10T19:30:00LordJuliusManual testing21268--0.085--
2017-06-16T00:35:01ConductorManual testing268269--0.086--
2018-09-21T21:36:59srow7Manual testing269270--0.171--
2018-11-29T16:43:14Niels_Mache_NextcloudManual testing270271--0.343--
2020-09-28T17:27:06SRBaseManual testing271272--0.685--
2021-04-30T07:51:22SRBaseManual testing272273*72.820220.50846,3511.042


ECM factoring results:
No ECM results for M697721503


Lucas-Lehmer results:
No L-L results for M697721503


PRP results:
No PRP results for M697721503


P-1 factor-bounds graph:
102
103
104
102
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: 2022-08-10T19:30:00+00:00