is 2 49733791 - 1
has 14971363 decimal digits
takes 91.110 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
Actual2692.400562.3188 %----2.400562.3188 %
Target27338.461764.3836 %320000500000008.03993.6803 %46.501665.6943 %
Difference-4-36.0611-2.0647 %-320000-50000000-8.0399-3.6803 %-44.1010-3.3755 %

Known prime factors (1 factor, 70.7 bits, 0.00014209% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4973379118734554652778938866572270.66618834834703008
25 × 3 × 19 × 79 × 173 × 755551
2010-02-121737555516.10340.10980.2042

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-02-12James2270.6662.3970.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-08-26tmorrowv4_computers2632692.368


ECM factoring results:
No ECM results for M49733791


Lucas-Lehmer results:
No L-L results for M49733791


PRP results:
No PRP results for M49733791


CERT results:
No CERT results for M49733791


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
TF factor-bounds graph:
269
this exponent TF target: 73
TF double-checked to: 67
250
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Last modified: 2024-03-13T02:15:48+00:00