is 2 54522019 - 1
has 16412764 decimal digits
takes 107.719 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
Actual2681.093261.7647 %----1.093261.7647 %
Target27335.083964.3836 %3600006000000010.33993.9257 %45.423865.7818 %
Difference-5-33.9907-2.6189 %-360000-60000000-10.3399-3.9257 %-44.3306-4.0171 %

Known prime factors (1 factor, 68.9 bits, 0.00012644% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
545220195654169201454834362412168.9385185216271480
23 × 5 × 7 × 269 × 661 × 104149
2011-06-176611041491.42550.01800.0304

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-06-17ixfd64tsbu-reg-acer-32168.9381.8330.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-15ANONYMOUSv4_computers212532.20000e-5
2000-03-01ANONYMOUSv4_computers212544.40000e-5
2000-05-31ANONYMOUSv4_computers212560.000
2001-08-31ANONYMOUSv4_computers212570.000
2002-09-14ANONYMOUSv4_computers212580.001
2004-04-09oerwinv4_computers212620.006
2008-06-30monstguinness2622630.018
2009-03-01borgyg4thGrade22632640.036
2009-03-06Teo79Teo22642650.069
2009-03-07S00030vd012652660.137
2009-03-09PHeedeesri-desktop2662670.274
2009-05-09Sturle Sundegorky.ifi2672680.548


ECM factoring results:
No ECM results for M54522019


Lucas-Lehmer results:
No L-L results for M54522019


PRP results:
No PRP results for M54522019


CERT results:
No CERT results for M54522019


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
TF factor-bounds graph:
268
267
266
265
264
263
262
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