is 2 49766207 - 1
has 14981122 decimal digits
takes 91.169 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
Actual2692.399062.3188 %----2.399062.3188 %
Target27338.436664.3836 %320000500000008.03993.6806 %46.476565.6945 %
Difference-4-36.0377-2.0647 %-320000-50000000-8.0399-3.6806 %-44.0775-3.3756 %

Known prime factors (1 factor, 85.2 bits, 0.00017129% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
49766207458324447213021504976801372685.245460477575891027324
22 × 33 × 72 × 53 × 1399 × 9319 × 125929
2010-02-139319125929289,1370.04160.0504

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-02-13ames_aDell_xps_4352685.2451.7820.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-08-26ComputerraRUv4_computers2632640.039
2008-09-06ComputerraRUv4_computers2642650.075
2008-09-23ComputerraRUv4_computers2652660.150
2008-09-23andreasbomkev4_computers2662692.102


ECM factoring results:
No ECM results for M49766207


Lucas-Lehmer results:
No L-L results for M49766207


PRP results:
No PRP results for M49766207


CERT results:
No CERT results for M49766207


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
269
266
265
264
this exponent TF target: 73
TF double-checked to: 67
250
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270
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290
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Last modified: 2024-03-13T02:15:48+00:00