is 2 102595253 - 1
has 30884249 decimal digits
takes 408.493 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
Actual276149.168664.4737 %8550008550004.93621.6135 %154.104865.0469 %
Target276149.168664.4737 %65000011000000038.14833.8525 %187.316965.8423 %
Difference---+205000-109145000-33.2121-2.2389 %-33.2121-0.7954 %

Known prime factors (1 factor, 77.3 bits, 0.00007537% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1025952531888917998121676070028012477.322920567932183800
23 × 34 × 52 × 59 × 2459 × 391679
2021-02-112459391679391.330.13660.2301

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-02-11nranksnew-homen85500085500012477.3224.9361.614%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-05-171997rj7Manual testing2632640.019
2010-08-19James Hintzmom32642650.036
2012-04-24OS1L82652660.073
2014-07-02PascalBieriManual testing2662670.146
2014-07-08ANONYMOUSManual testing2672680.291
2014-07-08David HruskaManual testing2672680.291
2014-07-09Ryan PropperManual testing2682714.079
2014-12-15RichD0Manual testing2712724.662
2020-02-28el groccoManual testing2722739.323
2020-03-30SRBaseManual testing27327418.65
2020-11-08TheJudgerManual testing274276111.9


ECM factoring results:
No ECM results for M102595253


Lucas-Lehmer results:
No L-L results for M102595253


PRP results:
No PRP results for M102595253


CERT results:
No CERT results for M102595253


P-1 factor-bounds graph:
B1 = 855000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
TF factor-bounds graph:
276
274
273
272
271
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00