is 2 44990191 - 1
has 13543398 decimal digits
takes 72.208 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
Actual2681.324861.7647 %----1.324861.7647 %
Target27221.256563.8889 %320000500000007.04384.0213 %28.300365.3410 %
Difference-4-19.9317-2.1242 %-320000-50000000-7.0438-4.0213 %-26.9754-3.5763 %

Known prime factors (1 factor, 71.7 bits, 0.00015927% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4499019137148262036162221990392271.65441284845885809
23 × 709 × 3853 × 657079
2009-01-07385365707911.6590.09180.1556

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-01-07lindedlkcdgz12271.6541.8450.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2007-11-17korvav4_computers212680.664


ECM factoring results:
No ECM results for M44990191


Lucas-Lehmer results:
No L-L results for M44990191


PRP results:
No PRP results for M44990191


CERT results:
No CERT results for M44990191


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
268
this exponent TF target: 72
TF double-checked to: 67
250
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Last modified: 2024-03-13T02:15:48+00:00