is 2 57597613 - 1
has 17338610 decimal digits
takes 122.075 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
Actual27333.210564.3836 %----33.210564.3836 %
Target27333.210564.3836 %4000006500000012.04574.0738 %45.256165.8345 %
Difference----400000-65000000-12.0457-4.0738 %-12.0457-1.4509 %

Known prime factors (1 factor, 74.8 bits, 0.00012988% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
57597613331215808707702220882332374.810287525638178532
22 × 36 × 13 × 47 × 83 × 1944329
2012-09-157291944329114.910.32770.6080

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2012-09-15driveByUpgradesBuild_12374.8103.1820.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-23ANONYMOUSv4_computers212532.08000e-5
2000-03-08ANONYMOUSv4_computers212544.17000e-5
2000-06-28ANONYMOUSv4_computers212560.000
2001-09-30ANONYMOUSv4_computers212570.000
2002-11-24ANONYMOUSv4_computers212580.001
2003-08-25Team Prime Ribv4_computers212600.001
2022-06-28LordJuliusManual testing260263
2009-01-10James HeinrichWHS2632640.034
2009-01-14Chris Smithrose2642650.065
2009-01-14Sturle Sundegaudi.ifi2652660.130
2009-01-31FlavioGIMP-Home2662670.259
2009-05-31raymondfrtf0212672680.519
2011-04-23Jeff Palmerralph-laptop2682691.038
2011-06-23UngelovendeManual testing2692716.228
2012-06-08Jerry HallettManual testing2712728.303
2012-08-24Craig MeyersManual testing27227316.61


ECM factoring results:
No ECM results for M57597613


Lucas-Lehmer results:
No L-L results for M57597613


PRP results:
No PRP results for M57597613


CERT results:
No CERT results for M57597613


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
TF factor-bounds graph:
273
272
271
269
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
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00