is 2 116258539 - 1
has 34997308 decimal digits
takes 536.888 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
Actual277263.276764.9351 %889000511758390192.33156.1000 %455.608267.0740 %
Target276131.637664.4737 %70000013000000051.85944.0749 %183.497065.9214 %
Difference+1+131.6391+0.4614 %+189000+381758390+140.4722+2.0250%+272.1113+1.1527 %

Known prime factors (1 factor, 77.3 bits, 0.00006652% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1162585391909097251237081312354732477.337821056787595224
23 × 238313 × 430660931
2022-08-28238313430660931501.71158.63293.45

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2022-08-28Simon Josefssoncto888900051175839022477.337221.06.651%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-05-10garonorth2632640.017
2010-10-08sasaki3mate_ma22642650.032
2012-07-03Richardhp-yulian2652660.064
2014-12-11ANONYMOUSxx2662670.129
2015-04-05bunddogManual testing2672680.257
2015-06-08endless_mikeManual testing2682727.713
2020-04-25SRBaseManual testing2722738.227
2020-12-27storm5510Manual testing27327416.45
2020-12-27hktManual testing27427532.91
2021-05-18KrieselManual testing27527665.82
2021-10-24jwnutterManual testing276277131.6


ECM factoring results:
No ECM results for M116258539


Lucas-Lehmer results:
No L-L results for M116258539


PRP results:
No PRP results for M116258539


CERT results:
No CERT results for M116258539


P-1 factor-bounds graph:
B1 = 889000, B2 = 511758390 (P-1 stage 2)
B1 = 889000 (P-1 stage 1)
104
105
106
104
105
106
107
108
109
TF factor-bounds graph:
277
276
275
274
273
272
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67
250
260
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280
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Last modified: 2024-03-13T02:15:48+00:00