is 2 101328841 - 1
has 30503021 decimal digits
takes 403.451 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276151.033064.4737%7150002178700010.75603.8878%161.789068.3615%5.8615%
PrimeNet2729.437962.5000%400000200000008.47445.2074%17.912467.7074%5.2074%
GPU72276151.033064.4737%6500002200000010.46823.8466%161.501268.3203%3.8466%
Difference---+65000-213000+0.2878+0.0412%+0.2878+0.0412%+0.0412%

Known prime factors (1 factor, 79.9 bits, 0.00007889% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
10132884111547368969448575380294092579.9345697967555677744
24 × 33 × 971 × 11959 × 1135853
1195911358532020-11-292,124.70.42260.6673

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-11-29T08:41:38DRobinsonPEH-82507150002178700062579.93410.76806.921.513.888%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-15T00:37:001997rj7Manual testing263264--0.019--
2010-08-14T00:19:00garonorth264265--0.037--
2011-07-27T06:48:00riccardo ubertiNeoHpCrunch265266--0.074--
2013-10-26T06:42:00Thomas BieberLaptop266267--0.147--
2013-12-14T10:03:00timc995dl580_g5b267268--0.295--
2013-12-16T10:53:00timc995dl580_g5b268269--0.590--
2014-10-10T12:42:00SMoffatManual testing269270--1.180--
2014-10-13T16:57:00SMoffatManual testing270271--2.360--
2014-12-01T23:16:00shaugeManual testing271272--4.720--
2020-03-22T00:20:04el groccoGPU72_TF272273--9.440--
2020-03-28T11:55:25Hans LoeblichManual testing273274--18.88--
2020-10-02T20:15:06Richard ThomasManual testing274275--37.76--
2020-10-02T20:46:02ktonyGPU72_TF275276--75.52--


ECM factoring results:
Exponent "101328841" not found


Lucas-Lehmer results:
Exponent "101328841" not found


PRP results:
Exponent "101328841" not found


P-1 factor-bounds graph:
B1 = 715000, B2 = 21787000 (stage 2)
B1 = 715000 (stage 1)
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108
TF factor-bounds graph:
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Last modified: 2020-11-29T08:41:38+00:00