is 2 64004659 - 1
has 19267323 decimal digits
takes 155.256 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L84D377060CF482E9double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual275119.552465.3333%575000115000004.11603.4673%123.668366.5353%1.2020%
PrimeNet2703.733362.8571%280000120000003.23075.2137%6.964164.7936%1.9365%
GPU7227459.774864.8649%400000140000004.01313.7910%63.787966.1968%1.3320%
Difference+1+59.7776+0.4685%+175000-2500000+0.1029-0.3236%+59.8805+0.3385%+0.3385%

Known prime factors:
No known factors for M64004659

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-07-12T11:54:00NesowaIceblock57500011500000---4.116--3.467%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-11-17T00:00:00ANONYMOUSv4_computers21250--2.34343e-6--
1999-12-23T00:00:00ANONYMOUSv4_computers21253--1.87474e-5--
2003-08-25T00:00:00ANONYMOUSv4_computers21259--0.001--
2004-01-27T00:00:00AxelFoxv4_computers21260--0.002--
2016-02-23T17:19:03Mark RoseManual testing260263--0.023--
2009-05-06T19:20:00markrrmst263264--0.031--
2009-10-08T20:09:00publiosulpiciodisgrazia264265--0.058--
2009-10-09T04:11:00compusionCD0741C6D265266--0.117--
2009-10-13T20:48:00Jayderlaptop266267--0.234--
2009-10-18T08:56:00lindedKCTZ72F267268--0.467--
2009-10-19T22:05:00Sturle Sundendezi.ifi268269--0.934--
2011-09-18T10:58:00america64Manual testing269270--1.868--
2012-06-08T18:17:00ANONYMOUSAcer5732Z270271--3.736--
2013-03-06T23:52:00Jerry HallettManual testing271272--7.472--
2013-03-06T23:52:00Jerry HallettManual testing272273--14.94--
2013-07-05T10:30:00ChuckManual testing273274--29.89--
2017-05-15T08:55:14Smok_bmvManual testing274275--59.78--


ECM factoring results:
No ECM results for M64004659


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2014-08-17T05:23:00petrymLinux3Mint84D377060CF482E9155.3
2021-09-19T15:42:26AT-SGAI-CSICsgaiprime0384D377060CF482E9155.3


PRP results:
No PRP results for M64004659


P-1 factor-bounds graph:
B1 = 575000, B2 = 11500000 (P-1 stage 2)
B1 = 575000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-09-19T15:42:26+00:00