is 2 905703257 - 1
has 272643848 decimal digits
takes 39,381.319 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
Actual2758.448660.0000%----8.448660.0000%0.0000%
PrimeNet281540.721662.9630%32000002400000001,015.17085.6867%1,555.892465.0692%2.1062%
GPU722858,651.548264.7059%50000002400000001,122.47444.2855%9,774.022766.2184%1.5125%
Difference-10-8,643.0996-4.7059%-5000000-240000000-1,122.4744-4.2855%-9,765.5741-6.2184%-1.5125%

Known prime factors:
No known factors for M905703257

P-1 results:
No P-1 results for M905703257


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-07-09T09:35:00lindedskynet-node053263264--0.002--
2011-11-01T16:47:00lindeed1jcqfj1264265--0.004--
2013-04-25T13:27:00ramgeisManual testing265266--0.008--
2015-02-06T15:06:00Gordon SpenceManual testing266267--0.017--
2016-06-22T00:04:07ConductorManual testing267268--0.033--
2017-04-19T13:56:27ConductorManual testing268269--0.066--
2017-10-25T12:49:47ConductorManual testing269270--0.132--
2019-09-24T20:21:08E.LechnerManual testing270271--0.264--
2020-07-25T21:30:12srow7Manual testing271272--0.528--
2020-10-27T22:44:04lycornManual testing272273--1.056--
2022-09-25T22:01:47LordJuliusManual testing273274--2.112--
2022-09-22T06:36:13RubiksmathManual testing274275--4.224--


ECM factoring results:
No ECM results for M905703257


Lucas-Lehmer results:
No L-L results for M905703257


PRP results:
No PRP results for M905703257


TF factor-bounds graph:
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Last modified: 2022-09-25T22:01:47+00:00