is 2 119806373 - 1
has 36065312 decimal digits
takes 553.272 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
Actual277255.480364.9351 %1000000631006740236.53936.3942 %492.019567.1772 %
Target276127.739464.4737 %80000014000000056.14084.2170 %183.880265.9718 %
Difference+1+127.7409+0.4614 %+200000+491006740+180.3985+2.1772%+308.1394+1.2054 %

Known prime factors (1 factor, 96.0 bits, 0.00008013% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
119806373791894829678700142693456562312995.999330489443027667711255
3 × 5 × 132 × 38069 × 99137 × 34543981
2023-02-069913734543981130,684,34513.23023.538

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2023-02-06Mihai Predax2100000063100674022995.999285.36.963%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-05-22Richardsvn_022632640.016
2010-10-17Charles A. Morrismagnetar2642650.031
2012-08-08Team_InspectorCarb2652660.062
2014-12-17MattH2662670.125
2015-04-14Mihai PredaManual testing2672680.249
2015-04-25Mihai PredaManual testing2682690.499
2015-05-10Mihai PredaManual testing2692700.998
2015-05-25PascalBieriManual testing2702711.996
2015-06-07PascalBieriManual testing2712723.992
2020-11-12SRBaseManual testing2722737.984
2021-04-28Richard ThomasManual testing27327415.97
2021-07-10TheJudgerManual testing27427695.81
2022-05-22TheJudgerManual testing276277127.7


ECM factoring results:
No ECM results for M119806373


Lucas-Lehmer results:
No L-L results for M119806373


PRP results:
No PRP results for M119806373


CERT results:
No CERT results for M119806373


P-1 factor-bounds graph:
B1 = 1000000, B2 = 631006740 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
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105
106
103
104
105
106
107
108
109
TF factor-bounds graph:
277
276
274
273
272
271
270
269
268
267
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