is 2 117901379 - 1
has 35491852 decimal digits
takes 544.475 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
Actual277259.608264.9351 %100000010000006.69621.5720 %266.304465.4863 %
Target276129.803464.4737 %80000014000000056.14084.2090 %185.944165.9690 %
Difference+1+129.8049+0.4614 %+200000-139000000-49.4446-2.6370 %+80.3603-0.4827 %

Known prime factors (1 factor, 79.0 bits, 0.00006698% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1179013795912790417982361707896712478.9682507515377738865
5 × 13 × 15137 × 23879 × 106727
2023-05-1323879106727519.220.19010.3254

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2023-05-13Mihai Predax21000000100000012478.9686.6961.758%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-05-12Torchwood InstituteATH2-630-temp2632640.017
2010-10-12oodairacom22642650.032
2012-07-14Richardworkmy2652660.063
2014-12-12ANONYMOUS2662670.127
2015-06-04La GüiraManual testing2672680.254
2015-06-04La GüiraManual testing2682690.507
2015-06-04La GüiraManual testing2692701.014
2015-06-10pussijussi2702712.028
2015-06-11Earle LoweManual testing2712724.056
2019-11-21Niels_Mache_NextcloudManual testing2722738.113
2019-11-21Niels_Mache_NextcloudManual testing27327416.23
2021-03-13jwnutterManual testing27427532.45
2021-03-13jwnutterManual testing27527664.90
2022-03-02La GüiraManual testing276277129.8


ECM factoring results:
No ECM results for M117901379


Lucas-Lehmer results:
No L-L results for M117901379


PRP results:
No PRP results for M117901379


CERT results:
No CERT results for M117901379


P-1 factor-bounds graph:
B1 = 1000000 (P-1 stage 1)
103
104
105
106
103
104
105
106
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
250
260
270
280
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Last modified: 2024-02-09T03:30:02+00:00