is 2108981517-1
has 32,806,706 decimal digits
takes 478.308 GHz-days to do one L-L 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
Actual277280.856564.9351%865,00017,516,25011.27813.4966%292.134668.4317%5.9317%
PrimeNet2728.775262.5000%450,00024,000,00011.02915.5014%19.804268.0014%5.5014%
GPU72276140.427464.4737%700,00024,000,00012.53343.9836%152.960868.4573%3.9836%
Difference+1+140.4291+0.4614%+165,000-6,483,750-1.2552-0.4869%+139.1738-0.0256%-0.0256%

Known prime factors (1 factor, 137.1 bits, 0.00012585% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
10898151719308393058538586225901413038877969686143142137.148885856317201869479661464660969895
5 × 61 × 631 × 859 × 3373 × 41039 × 53359 × 81359 × 8916913
81,3598,916,9132020-09-161.749e+93.58125.7744

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-09-16T04:04:27tscManual testing865,00017,516,250642137.14811.28956.622.563.497%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-04T00:29:00RichardUNKNOWN263264--0.018--
2010-09-12T20:26:00Mr-Plonklinux-i7-920264265--0.034--
2012-05-25T00:35:00Damian SilvestreDamiNotebook265266--0.069--
2013-09-30T17:11:00cporterfield266267--0.137--
2013-10-04T19:22:00cporterfield267268--0.274--
2014-07-21T02:24:00SMoffatManual testing268269--0.549--
2014-07-27T03:29:00SMoffatManual testing269270--1.097--
2014-08-05T23:53:00SMoffatManual testing270271--2.194--
2018-02-16T22:11:13el groccoManual testing271272--4.388--
2019-07-22T07:09:24Niels_Mache_NextcloudManual testing272273--8.777--
2019-07-22T07:09:24Niels_Mache_NextcloudManual testing273274--17.55--
2020-01-29T06:18:08LaurVManual testing274275--35.11--
2020-01-31T01:57:05xx005fs_TFManual testing275276--70.21--
2020-05-03T17:08:26TheJudgerManual testing276277--140.4--


ECM factoring results:
Exponent "108981517" not found


Lucas-Lehmer results:
Exponent "108981517" not found


PRP results:
Exponent "108981517" not found


P-1 factor-bounds graph:
B1 = 865,000, B2 = 17,516,250 (stage 2)
B1 = 865,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-09-16T04:04:27+00:00