is 2 99840353 - 1
has 30054942 decimal digits
takes 380.780 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
Actual278613.143965.3846%725000125062507.55902.8564%620.702966.3734%0.9887%
PrimeNet2729.578662.5000%400000200000008.11755.1982%17.696164.4493%1.9493%
GPU72276153.284764.4737%6500002200000010.02733.8397%163.311965.8378%1.3641%
Difference+2+459.8593+0.9109%+75000-9493750-2.4683-0.9833%+457.3910+0.5356%+0.5356%

Known prime factors (1 factor, 82.3 bits, 0.00008243% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
9984035359327276655214593574842732582.29529711071161384312
23 × 3 × 7 × 479 × 297601 × 1240621
2020-07-30297601124062113,9131.92993.3494

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-07-30T22:47:57Jwb52zClay725000125062502582.2957.559761.615.122.856%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-09-29T22:30:001997rj7compa264265--0.037--
2012-06-15T13:56:00Jimmy BrüggemanniMac2265266--0.075--
2013-08-22T17:27:00zenex95desktop266267--0.150--
2013-08-23T19:33:00zenex95desktop267268--0.299--
2014-03-18T18:41:00Andreas_TruetschManual testing268269--0.599--
2014-03-21T18:46:00Andreas_TruetschManual testing269270--1.198--
2014-05-28T01:27:00SMoffatManual testing270271--2.395--
2017-01-31T02:05:08monstManual testing271272--4.790--
2019-03-20T07:05:09Niels_Mache_NextcloudManual testing272273--9.58--
2019-12-22T10:18:24riccardo ubertiManual testing273274--19.16--
2020-03-10T06:47:01-Anonymous-GPU72_TF274275--38.32--
2020-04-08T08:18:09LaurVManual testing275276--76.64--
2020-04-19T20:18:24TheJudgerManual testing276277--153.3--
2020-06-21T00:34:50Ryan PropperManual testing277278--306.6--


ECM factoring results:
No ECM results for M99840353


Lucas-Lehmer results:
No L-L results for M99840353


PRP results:
No PRP results for M99840353


P-1 factor-bounds graph:
B1 = 725000, B2 = 12506250 (P-1 stage 2)
B1 = 725000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2020-07-30T22:47:57+00:00