is 2 697642027 - 1
has 210011177 decimal digits
takes 22,616.844 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
Actual2680.085455.8824%----0.085455.8824%0.0000%
PrimeNet280350.991762.5000%2600000180000000576.55865.6317%927.550364.6119%2.1119%
GPU722845,615.871064.2857%4000000180000000638.78364.2186%6,254.654665.7923%1.5066%
Difference-16-5,615.7855-8.4034%-4000000-180000000-638.7836-4.2186%-6,254.5692-9.9100%-9.9100%

Known prime factors (2 factors, 132.1 bits, 0.00001893% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697642027525109379325889680472065.50937634586149
37 × 1017150977
2013-11-103710171509770.01392,605.04,865.5
6976420271095386557700693303692166.57078506348192
25 × 2453323381
2020-05-283224533233810.02246,283.211,735

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
697642027575197755436133903850326467147002771934340132.079
P-1 results:
No P-1 results for M697642027


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-06-25T10:50:00Architects Cubedm1_36263264--0.003--
2012-01-25T11:34:00laleraManual testing264265--0.005--
2013-11-10T20:12:00sasakiManual testing26526665.509200.00346,3480.007
2020-05-28T11:41:57TJAOIManual testing266267*66.570210.00146,3480.003
2022-08-10T19:29:53LordJuliusManual testing2126866.570210.02246,3480.046
2022-08-10T19:29:53LordJuliusManual testing2126865.509200.01446,3480.028


ECM factoring results:
No ECM results for M697642027


Lucas-Lehmer results:
No L-L results for M697642027


PRP results:
No PRP results for M697642027


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
268
267
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:53+00:00