is 2 100781773 - 1
has 30338337 decimal digits
takes 384.370 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
Actual2729.489262.5000 %149000014900008.23993.0649 %17.729163.6493 %
Target276151.852864.4737 %65000011000000036.54143.8441 %188.394265.8393 %
Difference-4-142.3636-1.9737 %+840000-108510000-28.3015-0.7791 %-170.6652-2.1900 %

Known prime factors (1 factor, 75.8 bits, 0.00007520% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
100781773651967282049637746069592375.787323454957499923
3 × 2143 × 129749 × 387763
2019-12-03129749387763133.170.79531.4603

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-12-03ANONYMOUS1490000149000012375.7878.2402.016%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-02-141997rj7Manual testing2632640.019
2010-08-22Richard2642650.037
2011-02-11Craig MeyersManual testing2652660.074
2011-03-29Craig MeyersManual testing2662670.148
2011-04-25Craig MeyersManual testing2672714.449
2015-01-09shaugeManual testing2712724.745


ECM factoring results:
No ECM results for M100781773


Lucas-Lehmer results:
No L-L results for M100781773


PRP results:
No PRP results for M100781773


CERT results:
No CERT results for M100781773


P-1 factor-bounds graph:
B1 = 1490000 (P-1 stage 1)
104
105
106
107
104
105
106
107
TF factor-bounds graph:
272
271
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00