is 2 4050100987 - 1
has 1219201883 decimal digits
takes 1,016,087.836 GHz-days to do one PRP test
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2710.118054.9296%----0.118054.9296%
Target292247,641.764565.2174%200000006000000000125,796.06394.2410%373,437.828466.6925%
Difference-21-247,641.6465-10.2878%-20000000-6000000000-125,796.0639-4.2410%-373,437.7104-11.7630%

Known prime factors (1 factor, 62.1 bits, 0.00000153% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
405010098750342787669217896011962.126621500400
24 × 32 × 52 × 31 × 5569
2013-12-223155690.00040.12100.2060

P-1 results:
No P-1 results for M4050100987


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2023-01-21slaurpalvi2-rtx268271--0.103--


ECM factoring results:
No ECM results for M4050100987


Lucas-Lehmer results:
No L-L results for M4050100987


PRP results:
No PRP results for M4050100987


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
TF factor-bounds graph:
271
this exponent TF target: 92
250
260
270
280
290
2100
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Last modified: 2023-10-02T12:12:48+00:00