is 2 101736851 - 1
has 30625844 decimal digits
takes 405.075 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
Actual276150.427264.4737 %6500006500003.75271.4299 %154.179964.9817 %
Target276150.427264.4737 %65000011000000038.14833.8485 %188.575565.8409 %
Difference-----109350000-34.3956-2.4186 %-34.3956-0.8592 %

Known prime factors (1 factor, 76.1 bits, 0.00007484% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
101736851831874947940247278447372376.139408836591541568
26 × 337 × 42491 × 446111
2020-12-2342491446111292.000.37230.4993

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-12-23storm5510Manual testing65000065000012376.1393.7751.430%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-03-071997rj7compw2632640.019
2010-08-14Torchwood InstituteHTPC-V642642650.037
2012-04-17Corbyguyhome2652660.073
2013-08-19america64Manual testing2662670.147
2013-08-24Preben SManual testing2672680.294
2013-09-30Roberto Arcierixxx2682690.588
2013-10-29Roberto Arcierixxx2692701.175
2013-12-09Lukin DmitryManual testing2702712.350
2014-12-23Smok_bmvManual testing2712724.701
2020-02-22Niels_Mache_NextcloudManual testing27227428.21
2020-10-10TheJudgerManual testing274276112.8


ECM factoring results:
No ECM results for M101736851


Lucas-Lehmer results:
No L-L results for M101736851


PRP results:
No PRP results for M101736851


CERT results:
No CERT results for M101736851


P-1 factor-bounds graph:
B1 = 650000 (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
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Last modified: 2024-04-17T15:19:26+00:00