is 2 116476237 - 1
has 35062842 decimal digits
takes 537.894 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
Actual277262.784664.9351%514000138940008.32323.1368%271.107866.0350%
Target276131.391664.4737%7000002600000013.91744.0758%145.309065.9217%
Difference+1+131.3931+0.4614%-186000-12106000-5.5942-0.9391%+125.7989+0.1133%

Known prime factors (1 factor, 102.2 bits, 0.00008772% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
116476237569541007268200947523829423390331102.16824448806981470432785523
13 × 47 × 419 × 1637 × 460171 × 126775261		2022-09-254601711267752611.248e+949.16486.384

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-09-25C.D.B.i7-6850K514000138940001231102.1688.3231,07616.653.137%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-10Donna NoblePH9500263264--0.017--
2010-10-09Thomas StorkRainbow264265--0.032--
2012-06-28Mr-PlonkLinux-i7265266--0.064--
2014-12-05arnaudsrv-630266267--0.128--
2015-04-12bunddogManual testing267268--0.257--
2015-04-19cnaTb_xo4yASUS268269--0.513--
2015-04-30NoWhereMan3930Qnet_firewall269270--1.027--
2015-05-08SMoffatManual testing270271--2.053--
2015-05-13SMoffatManual testing271272--4.106--
2020-04-26SRBaseManual testing272273--8.212--
2021-01-27bayanneManual testing273274--16.42--
2021-06-10TheJudgerManual testing274275--32.85--
2021-06-10TheJudgerManual testing275276--65.70--
2021-08-11rushynManual testing276277--131.4--


ECM factoring results:
No ECM results for M116476237


Lucas-Lehmer results:
No L-L results for M116476237


PRP results:
No PRP results for M116476237


P-1 factor-bounds graph:
B1 = 514000, B2 = 13894000 (P-1 stage 2)
B1 = 514000 (P-1 stage 1)
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105
106
104
105
106
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109
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67.7
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Last modified: 2023-03-25T13:08:14+00:00