is 2 100610971 - 1
has 30286921 decimal digits
takes 383.719 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276152.110664.4737%725000198640009.77593.8229%161.886565.8318%1.3581%
PrimeNet2729.505362.5000%400000200000008.11755.2030%17.622764.4511%1.9511%
GPU72276152.110664.4737%6500002200000010.02733.8433%162.137965.8391%1.3654%
Difference---+75000-2136000-0.2514-0.0204%-0.2514-0.0072%-0.0072%

Known prime factors (1 factor, 91.2 bits, 0.00009061% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10061097127807650855170926303132241432891.16813819392944319624101
11 × 6571 × 9973 × 17449 × 1098673
2020-10-281744910986738,200,5530.42230.6183

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-10-28T23:53:51Jwb52zClay725000198640002891.1689.78767.419.553.823%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-01-03T23:15:001997rj7Manual testing263264--0.020--
2010-08-11T05:11:00Donna NobleRuth-Lappy264265--0.037--
2011-02-20T21:43:00Craig MeyersManual testing265266--0.074--
2011-03-22T15:33:00Craig MeyersManual testing266267--0.149--
2013-10-22T12:21:00g0bManual testing267268--0.297--
2013-10-23T19:35:00GrunwalderGIMPcompute-0-5268269--0.594--
2013-10-25T04:52:00GrunwalderGIMPcompute-0-5269270--1.188--
2014-07-22T01:40:00dccEterna270271--2.377--
2014-12-06T03:24:00ANONYMOUS271272--4.754--
2020-03-08T21:54:19el groccoManual testing272273--9.51--
2020-04-20T17:56:02Architects CubedGPU72_TF273274--19.01--
2020-09-11T00:04:56Bill StaffenManual testing274275--38.03--
2020-09-11T00:04:56Bill StaffenManual testing275276--76.06--


ECM factoring results:
No ECM results for M100610971


Lucas-Lehmer results:
No L-L results for M100610971


PRP results:
No PRP results for M100610971


P-1 factor-bounds graph:
B1 = 725000, B2 = 19864000 (P-1 stage 2)
B1 = 725000 (P-1 stage 1)
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108
TF factor-bounds graph:
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Last modified: 2020-10-28T23:53:51+00:00