is 2 44891117 - 1
has 13513573 decimal digits
takes 72.049 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
Actual2681.327861.7647 %----1.327861.7647 %
Target27221.303463.8889 %320000500000007.04384.0201 %28.347265.3406 %
Difference-4-19.9756-2.1242 %-320000-50000000-7.0438-4.0201 %-27.0194-3.5759 %

Known prime factors (1 factor, 76.3 bits, 0.00016999% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
44891117935709622627190736967272376.3081042199086544439
3 × 43 × 163 × 86017 × 576221
2009-07-2686017576221600.590.26230.4074

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-07-26TRUSTNO1hassan2376.3081.9130.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2007-11-17JC_Herlesv4_computers212680.666


ECM factoring results:
No ECM results for M44891117


Lucas-Lehmer results:
No L-L results for M44891117


PRP results:
No PRP results for M44891117


CERT results:
No CERT results for M44891117


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