is 2 697878563 - 1
has 210082381 decimal digits
takes 22,624.512 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%
PrimeNet280350.872762.5000%2600000180000000576.55865.6319%927.431464.6119%2.1119%
GPU722845,613.967664.2857%4000000180000000638.78364.2187%6,252.751265.7924%1.5067%
Difference-11-5,611.2266-5.3816%-4000000-180000000-638.7836-4.2187%-6,250.0102-6.8883%-6.8883%

Known prime factors (2 factors, 133.6 bits, 0.00001914% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697878563524525706063366848872065.50837580012761
29 × 1295862509
2013-11-242912958625090.02013,318.86,198.7
6978785633142262992703164689772168.090225129639976
23 × 281 × 1051 × 95287
2022-08-121051952870.11130.29080.4558

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
6978785631648197714884415611504295577287376025059941133.598
P-1 results:
No P-1 results for M697878563


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-01-04T00:00:00lindedv4_computers261262--0.000--
2010-07-18T13:20:00Architects Cubedm1_43263264--0.003--
2012-01-25T14:33:00ANONYMOUSManual testing264265--0.005--
2012-01-26T14:39:00laleraManual testing264265--0.005--
2013-11-24T10:36:00sasakiManual testing26526665.508200.01046,3630.020
2022-08-12T16:27:07LordJuliusManual testing2127068.090210.11146,3630.228
2022-08-12T16:27:07LordJuliusManual testing2127065.508200.02046,3630.041
2022-08-12T16:27:07LordJuliusManual testing270271--0.343--
2022-08-12T16:27:07LordJuliusManual testing271272--0.685--
2022-08-12T16:27:07LordJuliusManual testing272273--1.371--


ECM factoring results:
No ECM results for M697878563


Lucas-Lehmer results:
No L-L results for M697878563


PRP results:
No PRP results for M697878563


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
273
272
271
270
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-12T16:27:07+00:00