is 2 105839471 - 1
has 31860856 decimal digits
takes 434.089 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
Actual277289.194264.9351%8400001680000010.16673.4422%299.360968.3773%5.8773%
PrimeNet2729.035762.5000%450000220000009.65865.4010%18.694367.9010%5.4010%
GPU72276144.596364.4737%7000002400000011.71233.9695%156.308668.4432%3.9695%
Difference+1+144.5980+0.4614%+140000-7200000-1.5456-0.5273%+143.0523-0.0659%-0.0659%

Known prime factors (1 factor, 102.6 bits, 0.00009698% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
105839471789290166679689345777637837378331102.63837287136794159210498021
32 × 293 × 709 × 769 × 776221 × 33411113
776221334111132020-07-191.751e+915.19020.219

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-07-19T20:23:29TheJudgerManual testing840000168000001231102.63810.17868.220.333.442%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-21T10:49:00BOMC2Q-2667263264--0.019--
2010-09-02T14:00:00sasaki3mate_ma2264265--0.035--
2012-05-13T18:27:00subgeniusquotewrks265266--0.071--
2013-09-05T22:10:00RobishManual testing266267--0.141--
2013-09-08T17:48:00SMoffatManual testing267268--0.282--
2013-09-13T01:43:00SMoffatManual testing268269--0.565--
2013-09-17T23:39:00SMoffatManual testing269270--1.130--
2013-09-24T02:36:00SMoffatManual testing270271--2.259--
2015-01-24T15:52:00Preben SManual testing271272--4.519--
2020-01-04T00:02:05wes.Manual testing272273--9.037--
2020-02-25T22:45:42Hans LoeblichManual testing273274--18.07--
2020-03-03T23:18:17LaurVManual testing274275--36.15--
2020-05-03T17:10:22TheJudgerManual testing275276--72.30--
2020-05-03T17:10:22TheJudgerManual testing276277--144.6--


ECM factoring results:
Exponent "105839471" not found


Lucas-Lehmer results:
Exponent "105839471" not found


PRP results:
Exponent "105839471" not found


P-1 factor-bounds graph:
B1 = 840000, B2 = 16800000 (stage 2)
B1 = 840000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-07-19T20:23:29+00:00