is 2 107023729 - 1
has 32217353 decimal digits
takes 438.946 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRPF98F0838ED75901Averified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276142.996364.4737%7870003450600015.60564.3126%158.601966.0058%1.5321%
PrimeNet2728.935762.5000%450000220000009.65865.4082%18.594364.5281%2.0281%
GPU72276142.996364.4737%7000002400000011.71233.9749%154.708665.8858%1.4121%
Difference---+87000+10506000+3.8932+0.3377%+3.8932+0.1200%+0.1200%

Known prime factors:
No known factors for M107023729

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-10-22T07:08:27Krieselcolab278700034506000---15.61--4.313%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-27T06:32:00RichardUNKNOWN263264--0.018--
2010-09-06T19:23:00WPSs2264265--0.035--
2012-05-17T06:23:00Andrew Bdell_xps_17265266--0.070--
2014-07-01T11:17:00JMGarciafjcanizares266267--0.140--
2014-10-31T16:38:00shaugeManual testing267268--0.279--
2014-10-31T16:38:00shaugeManual testing268269--0.559--
2014-10-31T16:38:00shaugeManual testing269270--1.117--
2014-10-31T16:38:00shaugeManual testing270271--2.234--
2015-01-24T16:00:00PascalBieriManual testing271272--4.469--
2020-03-06T12:45:20srow7Manual testing272273--8.937--
2020-03-06T12:45:20srow7Manual testing273274--17.87--
2021-04-08T18:11:49TheJudgerManual testing274275--35.75--
2021-04-08T18:11:49TheJudgerManual testing275276--71.50--


ECM factoring results:
No ECM results for M107023729


Lucas-Lehmer results:
No L-L results for M107023729


PRP results:
dateuseridcompidcofactorsres64PRP
2021-11-18T00:59:31curtiscwcm128--39lF98F0838ED75901Ano


P-1 factor-bounds graph:
B1 = 787000, B2 = 34506000 (P-1 stage 2)
B1 = 787000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-11-18T00:59:31+00:00