is 2 45152941 - 1
has 13592390 decimal digits
takes 72.469 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
Actual2681.320161.7647 %----1.320161.7647 %
Target27221.179963.8889 %320000500000007.04384.0231 %28.223765.3417 %
Difference-4-19.8598-2.1242 %-320000-50000000-7.0438-4.0231 %-26.9036-3.5770 %

Known prime factors (1 factor, 75.1 bits, 0.00016624% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
45152941394348463337877822270012375.062436680817023500
22 × 53 × 7 × 31 × 271 × 1931 × 7691
2009-01-0719317691236.230.00520.0091

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-01-07David J. Stuckimath-lab-d12375.0621.3670.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2007-02-201997rj7v4_computers212630.022
2007-12-03ANONYMOUSv4_computers212680.662


ECM factoring results:
No ECM results for M45152941


Lucas-Lehmer results:
No L-L results for M45152941


PRP results:
No PRP results for M45152941


CERT results:
No CERT results for M45152941


P-1 factor-bounds graph:
102
103
104
102
103
104
TF factor-bounds graph:
268
263
this exponent TF target: 72
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00