is 2 44751391 - 1
has 13471512 decimal digits
takes 71.825 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
Actual2681.331961.7647 %----1.331961.7647 %
Target27221.369963.8889 %320000500000007.04384.0185 %28.413765.3400 %
Difference-4-20.0380-2.1242 %-320000-50000000-7.0438-4.0185 %-27.0818-3.5753 %

Known prime factors (1 factor, 75.8 bits, 0.00016949% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
44751391679503128895928963057372375.847759197774317148
22 × 3331 × 9539 × 5973343
2011-01-2195395973343251.230.77841.4146

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-01-21youlii7-x9802375.8473.3410.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2007-10-29JC_Herlesv4_computers212680.668


ECM factoring results:
No ECM results for M44751391


Lucas-Lehmer results:
No L-L results for M44751391


PRP results:
No PRP results for M44751391


CERT results:
No CERT results for M44751391


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
107
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