is 2 135999233 - 1
has 40939849 decimal digits
takes 757.440 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
Actual2727.031961.1111 %13850004189625029.00926.9509 %36.041163.8142 %
Target277225.061363.6364 %80000015000000072.10653.9461 %297.167865.0713 %
Difference-5-218.0294-2.5253 %+585000-108103750-43.0973+3.0048%-261.1267-1.2571 %

Known prime factors (1 factor, 76.6 bits, 0.00005629% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1359992331106366494528063808209932476.550406754681670912
28 × 3 × 148403 × 3568853
2018-12-171484033568853112.532.70342.9328

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2018-12-17timbitManual testing138500041896250622476.55030.384.480%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-11-27ZIM302642650.027
2012-11-04nextPrimeavx1232652660.055
2015-01-28tscxw6600-22662670.110
2016-02-09Choi4KANGManual testing2672680.220
2016-03-27Choi4KANGManual testing2682690.440
2016-05-02Choi4KANGManual testing2692700.879
2016-11-10proxy2222Manual testing2702711.758
2016-11-19Andrew BManual testing2712723.517


ECM factoring results:
No ECM results for M135999233


Lucas-Lehmer results:
No L-L results for M135999233


PRP results:
No PRP results for M135999233


CERT results:
No CERT results for M135999233


P-1 factor-bounds graph:
B1 = 1385000, B2 = 41896250 (P-1 stage 2)
B1 = 1385000 (P-1 stage 1)
104
105
106
107
104
105
106
107
108
TF factor-bounds graph:
272
271
270
269
268
267
266
265
this exponent TF target: 77
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00