is 2 61367651 - 1
has 18473504 decimal digits
takes 144.157 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
Actual2670.484261.1940 %----0.484261.1940 %
Target27462.343464.8649 %4000006500000013.35073.7169 %75.694166.1708 %
Difference-7-61.8592-3.6708 %-400000-65000000-13.3507-3.7169 %-75.2099-4.9768 %

Known prime factors (2 factors, 93.3 bits, 0.00015209% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6136765115955589271030.57113
13
-1132.337e-125.633e-66.932e-6
6136765178100227018889643111962.76063633058905
3 × 5 × 13 × 23 × 14187973
2016-10-1023141879730.01602.63304.9176

1 Composite Factors:
P-1 results:
No P-1 results for M61367651


Trial Factoring results:
575859606162636465666768697071727374
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2016-10-10TJAOIManual testing262263*
62.760
19
0.012


ECM factoring results:
No ECM results for M61367651


Lucas-Lehmer results:
No L-L results for M61367651


PRP results:
No PRP results for M61367651


CERT results:
No CERT results for M61367651


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
this exponent TF target: 74
TF double-checked to: 67
250
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280
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Last modified: 2024-03-13T02:15:48+00:00