is 2 697697557 - 1
has 210027893 decimal digits
takes 22,618.644 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2680.085455.8824 %----0.085455.8824 %
Target2845,615.424064.2857 %40000009000000002,482.77534.2186 %8,098.199365.7924 %
Difference-16-5,615.3386-8.4034 %-4000000-900000000-2,482.7753-4.2186 %-8,098.1139-9.9100 %

Known prime factors (1 factor, 67.1 bits, 0.00000962% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6976975571565108144198150780872167.085112162363799
23 × 173 × 28188581
2014-09-15173281885810.082172.201134.84

P-1 results:
No P-1 results for M697697557


Trial Factoring results:
57585960616263646566676869707172737475767778798081828384
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-01-04lindedv4_computers2612620.000
2010-07-18Architects Cubedm1_082632640.003
2012-01-25ANONYMOUSManual testing2642650.005
2012-01-26laleraManual testing2642650.005
2013-11-13sasakiManual testing2652660.011
2014-09-15sasakiManual testing266268
67.085
21
0.025


ECM factoring results:
No ECM results for M697697557


Lucas-Lehmer results:
No L-L results for M697697557


PRP results:
No PRP results for M697697557


CERT results:
No CERT results for M697697557


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
TF factor-bounds graph:
268
266
265
264
262
this exponent TF target: 84
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00