is 2 55907003 - 1
has 16829685 decimal digits
takes 118.492 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
Actual2681.066161.7647 %----1.066161.7647 %
Target27334.214864.3836 %3600006000000011.09223.9382 %45.307065.7862 %
Difference-5-33.1486-2.6189 %-360000-60000000-11.0922-3.9382 %-44.2409-4.0215 %

Known prime factors (1 factor, 69.3 bits, 0.00012389% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
559070037080381292764571918572169.2626332284787976
23 × 32 × 7 × 23 × 149 × 3666197
2011-08-0214936661974.23520.61431.1465

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-08-02S36049Wolle42169.2624.8830.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-15ANONYMOUSv4_computers212532.15000e-5
2000-03-01ANONYMOUSv4_computers212544.29000e-5
2000-06-11ANONYMOUSv4_computers212560.000
2001-09-22ANONYMOUSv4_computers212570.000
2002-08-17ANONYMOUSv4_computers212580.001
2022-06-14LordJuliusManual testing21263
2008-12-291997rj7compa2632640.035
2009-03-23Mor Ben-Ephraim2642650.067
2009-03-28ANONYMOUS2652660.134
2009-03-31ANONYMOUS2662670.267
2009-05-18Sturle Sundegassmann.ifi2672680.535


ECM factoring results:
No ECM results for M55907003


Lucas-Lehmer results:
No L-L results for M55907003


PRP results:
No PRP results for M55907003


CERT results:
No CERT results for M55907003


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
TF factor-bounds graph:
268
267
266
265
264
263
258
257
256
254
253
this exponent TF target: 73
TF double-checked to: 67
250
260
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280
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Last modified: 2024-03-13T02:15:48+00:00