is 2 4150365473 - 1
has 1249384501 decimal digits
takes 1,041,242.153 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
Actual2710.115254.9296%----0.115254.9296%
Target292241,659.237365.2174%200000006000000000125,796.06394.2510%367,455.301266.6960%
Difference-21-241,659.1221-10.2878%-20000000-6000000000-125,796.0639-4.2510%-367,455.1860-11.7664%

Known prime factors (2 factors, 88.1 bits, 0.00000212% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
41503654731245109641911236.85715
3 × 5
2012-08-20352.285e-120.00110.0022
415036547327502230792215591651.288331323
3 × 110441
2019-07-1231104411.347e-72.18994.0882

1 Composite Factors:
P-1 results:
No P-1 results for M4150365473


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-07-1225125251.288166.24690e-82,113,1500.032
2023-07-19JamesHeinrichRTX40902126836.857120.0142,113,1500.032
2023-07-19JamesHeinrichRTX40902126851.288160.0142,113,1500.032
2023-07-29slaurpalvi2-rtx268271--0.101--


ECM factoring results:
No ECM results for M4150365473


Lucas-Lehmer results:
No L-L results for M4150365473


PRP results:
No PRP results for M4150365473


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
TF factor-bounds graph:
271
268
252
this exponent TF target: 92
250
260
270
280
290
2100
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Last modified: 2023-10-02T12:12:48+00:00