is 2 21036299 - 1
has 6332557 decimal digits
takes 14.908 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
Actual2671.412562.6866 %----1.412562.6866 %
Target2695.675363.7681 %150000225000001.40543.7848 %7.080765.1394 %
Difference-2-4.2628-1.0815 %-150000-22500000-1.4054-3.7848 %-5.6682-2.4528 %

Known prime factors (2 factors, 66.1 bits, 0.00031413% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2103629942072599825.3261
1
2011-06-20112.125e-131.028e-62.091e-6
2103629918554015718011340.75544100
22 × 32 × 52 × 72
2011-06-2049491.076e-85.035e-50.0001

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-06-20AxonManual testing2066.0810.9410.000%


Trial Factoring results:
57585960616263646566676869
No TF results for M21036299


ECM factoring results:
No ECM results for M21036299


Lucas-Lehmer results:
No L-L results for M21036299


PRP results:
No PRP results for M21036299


CERT results:
No CERT results for M21036299


P-1 factor-bounds graph:
100
101
102
100
101
102
TF factor-bounds graph:
this exponent TF target: 69
TF double-checked to: 67
250
260
270
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Last modified: 2024-03-13T02:15:48+00:00