is 2 104819527 - 1
has 31553822 decimal digits
takes 417.349 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-
PRPC8F65A0D9A971706verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276146.003364.4737%8900001824500010.59723.8734%156.600565.8498%1.3761%
PrimeNet2729.123662.5000%450000220000009.37655.3948%18.500164.5231%2.0231%
GPU72276146.003364.4737%6500002400000011.09733.9262%157.100665.8685%1.3948%
Difference---+240000-5755000-0.5001-0.0527%-0.5001-0.0187%-0.0187%

Known prime factors:
No known factors for M104819527

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-07-08T01:34:02Ben Deloi-0bbee5a1da7ae01ef8900001824500012---10.60--3.873%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-19T14:13:00andr113andr113263264--0.019--
2010-09-04T12:59:00RichardFX5000_1264265--0.036--
2012-05-08T00:34:00GIMP Philippines265266--0.071--
2013-09-09T21:36:00willmoreManual testing266267--0.143--
2013-09-12T15:41:00Cow_tippingManual testing267268--0.285--
2014-05-26T07:34:00g0bManual testing268269--0.570--
2014-06-06T06:10:00GrunwalderGIMPcompute-0-4269270--1.141--
2014-06-15T00:22:00driveByUpgradesBuild_4270271--2.281--
2014-12-28T13:21:00shaugeManual testing271272--4.563--
2019-12-16T15:04:03storm5510Manual testing272273--9.125--
2020-04-01T14:37:28SRBaseManual testing273274--18.25--
2021-03-28T21:38:01TheJudgerManual testing274275--36.50--
2021-03-28T21:38:02TheJudgerManual testing275276--73.00--


ECM factoring results:
No ECM results for M104819527


Lucas-Lehmer results:
No L-L results for M104819527


PRP results:
dateuseridcompidcofactorsres64PRP
2021-07-09T07:57:35Ben Deloi-0bbee5a1da7ae01efC8F65A0D9A971706no


P-1 factor-bounds graph:
B1 = 890000, B2 = 18245000 (P-1 stage 2)
B1 = 890000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-07-09T07:57:35+00:00