is 2 55300913 - 1
has 16647234 decimal digits
takes 117.207 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
Actual2681.077861.7647 %----1.077861.7647 %
Target27334.589764.3836 %3600006000000011.09223.9328 %45.682065.7843 %
Difference-5-33.5119-2.6189 %-360000-60000000-11.0922-3.9328 %-44.6042-4.0196 %

Known prime factors (1 factor, 94.8 bits, 0.00017144% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
55300913347058900582561778683921763512994.809313791293628878946975
32 × 52 × 23 × 89443 × 91967 × 7371437
2011-06-2991967737143789,741,1631.50152.3052

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-06-29KC8200E2994.8095.3840.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-15ANONYMOUSv4_computers212532.17000e-5
2000-03-01ANONYMOUSv4_computers212544.34000e-5
2000-05-31ANONYMOUSv4_computers212560.000
2001-09-16ANONYMOUSv4_computers212570.000
2002-07-14ANONYMOUSv4_computers212580.001
2008-11-031997rj7Manual testing212640.034
2009-01-02babyguyMobettaBlack2642650.068
2009-03-05Pieandcakeshome2652670.405
2009-05-19BluesoxVaiorules2672680.541


ECM factoring results:
No ECM results for M55300913


Lucas-Lehmer results:
No L-L results for M55300913


PRP results:
No PRP results for M55300913


CERT results:
No CERT results for M55300913


P-1 factor-bounds graph:
103
104
105
103
104
105
106
107
TF factor-bounds graph:
268
267
265
264
258
257
256
254
253
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
290
2100
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Last modified: 2024-03-13T02:15:48+00:00