is 2 59031283 - 1
has 17770187 decimal digits
takes 131.140 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
Actual27332.403964.3836 %----32.403964.3836 %
Target27332.403964.3836 %4000007000000013.50334.1446 %45.907265.8597 %
Difference----400000-70000000-13.5033-4.1446 %-13.5033-1.4762 %

Known prime factors (1 factor, 82.2 bits, 0.00013929% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5903128356404283982042233546065432582.22247774909434072637
263 × 6553 × 7487 × 3702509
2012-11-147487370250925,0570.67261.2136

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2012-11-14NesowaIceblock2582.2223.6870.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-08ANONYMOUSv4_computers212532.03000e-5
2000-02-09ANONYMOUSv4_computers212544.07000e-5
2000-03-27ANONYMOUSv4_computers212560.000
2001-02-18ANONYMOUSv4_computers212570.000
2001-12-01ANONYMOUSv4_computers212580.001
2022-06-27LordJuliusManual testing21264
2008-11-091997rj7comp42642650.063
2008-11-10Sturle Sundeothello.ifi2652660.127
2008-11-11riskinriskin062662670.253
2008-11-17borgygLibrary12672680.506
2009-06-09Sturle Sundegoscha.ifi2682691.013
2011-05-06JatheskiManual testing2692702.025
2011-10-22GIMP Philippineskiran2702714.051
2012-08-01XyzzyManual testing2712728.102
2012-10-17Craig MeyersManual testing27227316.20


ECM factoring results:
No ECM results for M59031283


Lucas-Lehmer results:
No L-L results for M59031283


PRP results:
No PRP results for M59031283


CERT results:
No CERT results for M59031283


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
107
TF factor-bounds graph:
273
272
271
270
269
268
267
266
265
264
258
257
256
254
253
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00