is 2 63095639 - 1
has 18993680 decimal digits
takes 148.216 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
Actual27460.636064.8649 %----60.636064.8649 %
Target27460.636064.8649 %4000006500000013.35073.7301 %73.986766.1754 %
Difference----400000-65000000-13.3507-3.7301 %-13.3507-1.3106 %

Known prime factors (1 factor, 75.9 bits, 0.00012030% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
63095639705564715113778710076572375.901559123202725452
22 × 32 × 23 × 383 × 431 × 4090733
2013-05-254314090733153.090.76051.4179

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2013-05-25Norman LeyNorman_RKN2375.9013.8910.000%


Trial Factoring results:
575859606162636465666768697071727374
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-11-17ANONYMOUSv4_computers212514.80000e-6
2003-07-21Gordon Spencev4_computers212590.001
2022-03-30LordJuliusManual testing21263
2009-02-15Wojciech Florekarmada22632640.031
2009-02-24Paladinvista2642650.059
2009-02-28James Hintz202652660.118
2009-03-04James Hintz202662670.237
2009-03-06Burgalveisti7e2672680.474
2009-08-23raymondfserver-232682690.947
2011-12-18albin_pouillesprod-2-db-22692701.895
2012-06-04ANONYMOUSAcer5732Z2702713.790
2013-04-11Jerry HallettManual testing27127453.06


ECM factoring results:
No ECM results for M63095639


Lucas-Lehmer results:
No L-L results for M63095639


PRP results:
No PRP results for M63095639


CERT results:
No CERT results for M63095639


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
TF factor-bounds graph:
274
271
270
269
268
267
266
265
264
263
259
251
this exponent TF target: 74
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00