is 2 99768079 - 1
has 30033185 decimal digits
takes 380.504 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRPAB7CA76D0F8E6C__verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual277306.793264.9351%775000147250008.48903.2923%315.282166.0895%1.1544%
PrimeNet2729.585662.5000%400000200000008.11755.1977%17.703064.4491%1.9491%
GPU72276153.395764.4737%6500002200000010.02733.8393%163.423065.8377%1.3640%
Difference+1+153.3975+0.4614%+125000-7275000-1.5383-0.5470%+151.8591+0.2518%+0.2518%

Known prime factors:
No known factors for M99768079

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2019-11-28T11:34:00krackerO1775000147250006---8.489--3.292%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-11-02T17:23:001997rj7compa264265--0.037--
2012-07-23T15:45:00Jimmy BrüggemannManual testing265266--0.075--
2013-08-16T19:27:00america64Manual testing266267--0.150--
2013-10-21T18:55:00Toddlaptop267268--0.300--
2013-10-22T04:42:00AdolfNorManual testing268269--0.599--
2014-03-18T05:37:00Andreas_TruetschManual testing269270--1.198--
2014-12-19T07:37:00shaugeManual testing270271--2.397--
2016-08-10T16:32:14vats09Manual testing271272--4.794--
2016-08-10T16:32:14vats09Manual testing272273--9.59--
2016-08-10T16:32:14vats09Manual testing273274--19.17--
2016-08-10T16:32:14vats09Manual testing274275--38.35--
2018-10-24T07:50:08monstManual testing275276--76.70--
2019-11-15T19:30:58TheJudgerManual testing276277--153.4--


ECM factoring results:
No ECM results for M99768079


Lucas-Lehmer results:
No L-L results for M99768079


PRP results:
dateuseridcompidcofactorsres64PRP
2020-01-09T23:50:37jim westwestAB7CA76D0F8E6C__no


P-1 factor-bounds graph:
B1 = 775000, B2 = 14725000 (P-1 stage 2)
B1 = 775000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2020-01-09T23:50:37+00:00