is 2 45266021 - 1
has 13626431 decimal digits
takes 72.651 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
Actual2705.278862.8571 %----5.278862.8571 %
Target27221.127063.8889 %320000500000007.04384.0244 %28.170865.3422 %
Difference-2-15.8482-1.0317 %-320000-50000000-7.0438-4.0244 %-22.8920-2.4850 %

Known prime factors (1 factor, 73.3 bits, 0.00016198% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
45266021118046851486869940301772373.322130392343836528
24 × 3 × 31 × 53 × 83 × 397 × 50177
2010-08-303975017778.9210.00720.0119

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-08-30ahmeraliv4_computers2373.3223.1790.000%
2010-10-02ahmeraliv4_computers2373.322-0.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2007-01-161997rj7v4_computers212630.022
2007-12-18robertP95v4_computers212680.660
2010-08-29ahmeraliv4_computers212703.962
2010-10-02ahmeraliv4_computers212702.641


ECM factoring results:
No ECM results for M45266021


Lucas-Lehmer results:
No L-L results for M45266021


PRP results:
No PRP results for M45266021


CERT results:
No CERT results for M45266021


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
TF factor-bounds graph:
270
268
263
this exponent TF target: 72
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00