is 2 67097339 - 1
has 20198312 decimal digits
takes 169.607 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-L9C3656A374A857__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276228.086565.7895%720000160200005.69433.4830%233.780866.9810%1.1916%
PrimeNet2703.561362.8571%280000130000003.56645.3198%7.127664.8331%1.9759%
GPU7227457.019664.8649%450000150000004.55493.9291%61.574666.2454%1.3805%
Difference+2+171.0668+0.9246%+270000+1020000+1.1394-0.4461%+172.2062+0.7357%+0.7357%

Known prime factors:
No known factors for M67097339

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-09-10T07:47:00kagakubumorilab_i3_272000016020000---5.694--3.483%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-12-11T07:41:00Wojciech FlorekManual testing263264--0.029--
2010-03-01T07:11:00Donna NoblePH9500264265--0.056--
2010-03-04T11:18:00Donna NoblePH9500265266--0.111--
2010-03-07T08:07:00Donna NoblePH9500266267--0.223--
2010-05-31T01:48:00SADMASTERQUAD_9550x64267268--0.445--
2010-06-11T16:44:00cnaTb_xo4ySamsung268269--0.891--
2012-02-14T22:05:00YoannYoannAsus269270--1.782--
2012-07-11T21:01:00aaron_bertramManual testing270271--3.564--
2013-11-21T22:11:00SWL551Manual testing271272--7.128--
2013-11-21T22:11:00SWL551Manual testing272273--14.26--
2013-12-20T22:40:00Jerry HallettManual testing273274--28.51--
2015-06-01T06:11:00BigBrotherManual testing274275--57.02--
2022-03-21T06:07:51La GüiraManual testing275276--114.0--


ECM factoring results:
No ECM results for M67097339


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2015-07-07T04:59:00nranksmr-newhome9C3656A374A857__169.6


PRP results:
No PRP results for M67097339


P-1 factor-bounds graph:
B1 = 720000, B2 = 16020000 (P-1 stage 2)
B1 = 720000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-03-21T06:07:51+00:00