is 2 49873297 - 1
has 15013359 decimal digits
takes 91.365 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
Actual2692.393862.3188 %----2.393862.3188 %
Target27338.354164.3836 %340000550000008.81373.7848 %47.167865.7316 %
Difference-4-35.9603-2.0647 %-340000-55000000-8.8137-3.7848 %-44.7740-3.4127 %

Known prime factors (1 factor, 86.6 bits, 0.00017356% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
498732971141932887220546008920417132786.5621144833965178345848
23 × 7 × 101 × 139 × 1217 × 2377 × 503383
2010-04-262377503383478,0040.07880.1361

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-04-26johnniekJohn_Core-i72786.5622.4120.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-08-26S00030v4_computers2632681.163
2008-09-06S00030v4_computers2682691.199


ECM factoring results:
No ECM results for M49873297


Lucas-Lehmer results:
No L-L results for M49873297


PRP results:
No PRP results for M49873297


CERT results:
No CERT results for M49873297


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
269
268
this exponent TF target: 73
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00