is 2 112747819 - 1
has 33940476 decimal digits
takes 494.838 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
Actual277271.474664.9351%515000190140009.69143.3253%281.166066.1011%1.1660%
PrimeNet2728.482162.5000%4500002400000011.02915.5235%19.511164.5713%2.0713%
GPU72276135.736564.4737%7000002600000013.22684.0599%148.963365.9160%1.4423%
Difference+1+135.7381+0.4614%-185000-6986000-3.5354-0.7346%+132.2027+0.1851%-0.2763%

Known prime factors (1 factor, 132.1 bits, 0.00011714% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
112747819572157594035393398840368187821642058712940132.07225373333121210681638124112530356
22 × 131 × 599 × 2857 × 58943 × 248987 × 341017 × 5653589
2022-03-2734101756535891.338e+94.01224.4167

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-03-27T08:27:47Ryan PropperManual testing5150001901400040132.0729.69989.719.383.325%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-05T10:56:00subgeniusslacker263264--0.017--
2010-09-26T14:14:00sasaki3mate_ma2264265--0.033--
2012-06-02T07:33:00Donna NobleOpt6128x4x4265266--0.066--
2013-10-11T22:47:00SMoffatManual testing266267--0.133--
2013-10-17T23:31:00SMoffatManual testing267268--0.265--
2013-10-21T14:42:00PascalBieriManual testing268269--0.530--
2013-10-25T10:56:00PascalBieriManual testing269270--1.060--
2014-07-20T07:53:00Andreas_TruetschManual testing270271--2.121--
2019-01-10T10:19:23Niels_Mache_NextcloudManual testing271272--4.242--
2020-04-21T09:58:05SRBaseManual testing272273--8.484--
2020-07-24T10:26:31RNutterManual testing273274--16.97--
2020-11-27T00:21:09arpcarManual testing274275--33.93--
2020-12-04T09:52:21arpcarManual testing275276--67.87--
2020-12-29T00:25:35arpcarManual testing276277--135.7--


ECM factoring results:
No ECM results for M112747819


Lucas-Lehmer results:
No L-L results for M112747819


PRP results:
No PRP results for M112747819


P-1 factor-bounds graph:
B1 = 515000, B2 = 19014000 (P-1 stage 2)
B1 = 515000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-03-27T09:25:22+00:00