is 2 53929693 - 1
has 16234456 decimal digits
takes 106.549 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
Actual2681.105261.7647 %----1.105261.7647 %
Target27335.469264.3836 %3600006000000010.33993.9203 %45.809165.7798 %
Difference-5-34.3640-2.6189 %-360000-60000000-10.3399-3.9203 %-44.7039-4.0151 %

Known prime factors (1 factor, 76.3 bits, 0.00014141% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
53929693904506049548387120557272376.260838597439770691
751 × 1091 × 2273 × 450287
2011-05-132273450287557.180.07640.1313

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-05-13S485122USB-Z2376.2601.8050.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-08ANONYMOUSv4_computers212532.22000e-5
2000-03-01ANONYMOUSv4_computers212544.45000e-5
2000-05-31ANONYMOUSv4_computers212560.000
2001-08-24ANONYMOUSv4_computers212570.000
2002-08-10ANONYMOUSv4_computers212580.001
2004-06-121997rj7v4_computers212600.001
2007-10-291997rj7v4_computers212630.018
2008-09-14ANONYMOUSManual testing212640.035
2009-02-21glennpatglenn11-PC642642650.069
2009-02-22glennpatglenn11-PC642652660.139
2009-02-23glennpatglenn11-PC642662670.277
2009-05-04vidmarKids2672680.554


ECM factoring results:
No ECM results for M53929693


Lucas-Lehmer results:
No L-L results for M53929693


PRP results:
No PRP results for M53929693


CERT results:
No CERT results for M53929693


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
268
267
266
265
264
263
260
258
257
256
254
253
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00