is 2 45684521 - 1
has 13752412 decimal digits
takes 73.323 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
Actual2681.304761.7647 %----1.304761.7647 %
Target27220.933463.8889 %320000500000007.04384.0292 %27.977265.3439 %
Difference-4-19.6287-2.1242 %-320000-50000000-7.0438-4.0292 %-26.6725-3.5792 %

Known prime factors (1 factor, 69.4 bits, 0.00015188% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
456845217714573602028154583832169.3868443312344271
7 × 643 × 4463 × 420317
2009-10-1544634203173.85450.06310.0995

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-10-15Dustyarnera2169.3861.3850.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-12-14Jossv4_computers212545.25000e-5
2007-02-051997rj7v4_computers212630.021
2007-12-18Gordon Bowerv4_computers212680.654


ECM factoring results:
No ECM results for M45684521


Lucas-Lehmer results:
No L-L results for M45684521


PRP results:
No PRP results for M45684521


CERT results:
No CERT results for M45684521


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
268
263
254
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