is 2 118291037 - 1
has 35609151 decimal digits
takes 546.275 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
Actual277258.753064.9351 %2000000553218120214.49136.8528 %473.244367.3380 %
Target276129.375864.4737 %80000014000000056.14084.2106 %185.516565.9696 %
Difference+1+129.3773+0.4614 %+1200000+413218120+158.3505+2.6421%+287.7278+1.3684 %

Known prime factors (1 factor, 95.0 bits, 0.00008033% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
118291037403281863581465098835980231772995.026170461716208247079124
22 × 6653 × 14321 × 38713 × 11553649
2022-12-23387131155364969,651,5194.46027.8726

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2022-12-23Mihai Predax2200000055321812022995.026258.77.433%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-05-13G-Manwcg12632640.017
2010-10-13Charles A. Morrischandra2642650.032
2012-07-13sasaki3mate_ma12652660.063
2014-05-26snme2pm1Manual testing2662680.379
2014-07-04snme2pm1Manual testing2682690.505
2014-07-22snme2pm1Manual testing2692701.011
2014-11-13snme2pm1Manual testing2702712.022
2015-10-02snme2pm1Manual testing2712724.043
2016-07-11snme2pm1Manual testing2722738.086
2019-08-12Niels_Mache_NextcloudManual testing27327416.17
2021-03-27hktManual testing27427532.34
2021-07-04TheJudgerManual testing27527664.69
2022-05-10TheJudgerManual testing276277129.4


ECM factoring results:
No ECM results for M118291037


Lucas-Lehmer results:
No L-L results for M118291037


PRP results:
No PRP results for M118291037


CERT results:
No CERT results for M118291037


P-1 factor-bounds graph:
B1 = 2000000, B2 = 553218120 (P-1 stage 2)
B1 = 2000000 (P-1 stage 1)
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105
106
107
103
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105
106
107
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109
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
266
265
264
this exponent TF target: 76
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00