is 2 117245977 - 1
has 35294556 decimal digits
takes 541.448 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
Actual277261.059464.9351 %1000000565765200212.73746.2897 %473.796867.1405 %
Target276130.528964.4737 %80000014000000056.14084.2062 %186.669765.9680 %
Difference+1+130.5305+0.4614 %+200000+425765200+156.5967+2.0835%+287.1271+1.1725 %

Known prime factors (1 factor, 115.9 bits, 0.00009888% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1172459777900711877424386561277284746776991335115.928336928911318824464283208828
22 × 3 × 191 × 57713 × 514711 × 949607 × 5211259
2023-03-1094960752112591.172e+97.913512.941

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2023-03-10Mihai Predax21000000565765200235115.928256.66.851%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-05-16Richard2632640.017
2010-10-11Torchwood InstituteInspiron152642650.032
2012-07-04HardyP Germanyws-HP-Z800_3.6GHz2652660.064
2014-12-08vwflat4VM-1042662670.127
2015-09-02ANONYMOUSManual testing2672680.255
2015-09-02ANONYMOUS2682690.510
2015-09-07CSLatDDikenny-242692701.020
2015-09-12CSLatDDikenny-242702712.040
2015-09-12ANONYMOUSManual testing2712724.079
2020-02-13Niels_Mache_NextcloudManual testing27227424.47
2021-06-30TheJudgerManual testing27427697.90
2022-05-08TheJudgerManual testing276277130.5


ECM factoring results:
No ECM results for M117245977


Lucas-Lehmer results:
No L-L results for M117245977


PRP results:
No PRP results for M117245977


CERT results:
No CERT results for M117245977


P-1 factor-bounds graph:
B1 = 1000000, B2 = 565765200 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
104
105
106
104
105
106
107
108
109
TF factor-bounds graph:
277
276
274
272
271
270
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67
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2120
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Last modified: 2024-03-13T02:15:48+00:00