is 2 101686337 - 1
has 30610638 decimal digits
takes 404.874 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
Actual276150.502064.4737 %8450008450004.87851.6034 %155.380465.0433 %
Target276150.502064.4737 %65000011000000038.14833.8483 %188.650365.8408 %
Difference---+195000-109155000-33.2698-2.2449 %-33.2698-0.7975 %

Known prime factors (1 factor, 89.6 bits, 0.00008809% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1016863379217346160795917427420819532789.5744532244170028426448
24 × 19 × 61 × 97 × 283 × 89839 × 99103
2020-12-2189839991031,864,8680.52161.0556

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-12-21tottenhoffpc-201184500084500012789.5744.6731.603%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-04-051997rj7Manual testing2632640.019
2010-08-28Richard2642650.037
2012-04-17mmVIR0042652660.073
2013-08-19america64Manual testing2662670.147
2014-07-03Smok_bmvManual testing2672680.294
2014-07-15g0bManual testing2682690.588
2014-08-09Scott Bennetthellas2692701.176
2014-10-05SMoffatManual testing2702712.352
2014-12-10AdryAngerPC2712724.703
2020-02-21ViliamFManual testing27227428.22
2020-03-03Niels_Mache_NextcloudManual testing272274
2020-10-10TheJudgerManual testing274276112.9


ECM factoring results:
No ECM results for M101686337


Lucas-Lehmer results:
No L-L results for M101686337


PRP results:
No PRP results for M101686337


CERT results:
No CERT results for M101686337


P-1 factor-bounds graph:
B1 = 845000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
276
274
272
271
270
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00