is 2 89800481 - 1
has 27032639 decimal digits
takes 302.744 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-
PRPEA1BDFACB82310__verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276170.422264.4737%725000143187507.16453.5321%177.586765.7285%1.2548%
PrimeNet2715.323861.9718%360000180000006.45795.4712%11.781764.0524%2.0806%
GPU7227585.210164.0000%600000200000008.09994.0560%93.310065.4602%1.4602%
Difference+1+85.2121+0.4737%+125000-5681250-0.9353-0.5239%+84.2767+0.2683%+0.2683%

Known prime factors:
No known factors for M89800481

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-12-09T08:51:39arnaudGTI06725000143187506---7.165--3.532%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-11-11T13:50:00Architects Cubedm1_16264265--0.042--
2013-03-16T13:24:00jfarekManual testing265266--0.083--
2013-03-17T16:33:00jfarekManual testing266267--0.166--
2013-03-30T14:50:00jfarekManual testing267268--0.333--
2013-12-16T01:18:00SRS TechnologyManual testing268269--0.666--
2013-12-16T01:18:00SRS TechnologyManual testing269270--1.331--
2013-12-16T01:18:00SRS TechnologyManual testing270271--2.663--
2013-12-16T01:18:00SRS TechnologyManual testing271272--5.326--
2017-10-19T05:19:591997rj7Manual testing272273--10.65--
2017-11-03T19:45:12monstManual testing273274--21.30--
2018-11-09T15:39:53tServoManual testing274275--42.61--
2018-11-09T15:39:53tServoManual testing275276--85.21--


ECM factoring results:
No ECM results for M89800481


Lucas-Lehmer results:
No L-L results for M89800481


PRP results:
dateuseridcompidcofactorsres64PRP
2019-04-02T18:12:54ky0urakuh_cEA1BDFACB82310__no


P-1 factor-bounds graph:
B1 = 725000, B2 = 14318750 (P-1 stage 2)
B1 = 725000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2019-04-02T18:12:54+00:00