is 2 45772117 - 1
has 13778781 decimal digits
takes 73.463 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
Actual2681.302261.7647 %----1.302261.7647 %
Target27220.893463.8889 %320000500000007.04384.0302 %27.937265.3442 %
Difference-4-19.5912-2.1242 %-320000-50000000-7.0438-4.0302 %-26.6350-3.5795 %

Known prime factors (1 factor, 75.3 bits, 0.00016459% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
45772117477550917621898933966332375.338521661383525148
22 × 3 × 8663 × 16451 × 305033
2009-06-1716451305033290.490.07490.0779

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-06-17Eric2375.3381.3850.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2007-03-041997rj7v4_computers212630.021
2007-12-31ANONYMOUSv4_computers212680.653


ECM factoring results:
No ECM results for M45772117


Lucas-Lehmer results:
No L-L results for M45772117


PRP results:
No PRP results for M45772117


CERT results:
No CERT results for M45772117


P-1 factor-bounds graph:
103
104
105
103
104
105
106
TF factor-bounds graph:
268
263
this exponent TF target: 72
TF double-checked to: 67
250
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Last modified: 2024-03-13T02:15:48+00:00