is 2 59756923 - 1
has 17988627 decimal digits
takes 132.752 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
Actual27332.010464.3836 %----32.010464.3836 %
Target27332.010464.3836 %4000007000000013.50334.1509 %45.513865.8620 %
Difference----400000-70000000-13.5033-4.1509 %-13.5033-1.4784 %

Known prime factors (1 factor, 76.2 bits, 0.00012753% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
59756923871130722059415812864972376.205728895229477776
24 × 33 × 83 × 179 × 191 × 547 × 1087
2013-01-205471087510.880.00190.0036

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2013-01-20BdotMarzipan2376.2052.0780.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-23ANONYMOUSv4_computers212532.01000e-5
2000-03-08ANONYMOUSv4_computers212544.02000e-5
2000-06-29ANONYMOUSv4_computers212560.000
2022-06-27LordJuliusManual testing21263
2008-03-31monstguinness2632640.031
2009-01-27haskovecathlon642642650.063
2009-01-30James Hintz02_0602092652660.125
2009-02-02James Hintz02_0602092662670.250
2009-02-07James Hintz02_0602092672680.500
2009-12-17TDH-DXLmarrina2682691.000
2011-08-25ASTERIASManual testing2692702.001
2011-10-23TheJudgerManual testing2702714.002
2012-07-26bcp19Manual testing27127324.01


ECM factoring results:
No ECM results for M59756923


Lucas-Lehmer results:
No L-L results for M59756923


PRP results:
No PRP results for M59756923


CERT results:
No CERT results for M59756923


P-1 factor-bounds graph:
101
102
103
101
102
103
104
TF factor-bounds graph:
273
271
270
269
268
267
266
265
264
263
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