is 2 333015833 - 1
has 100247755 decimal digits
takes 4,953.611 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual278183.824662.8205%252100094665000162.65555.5437%346.480268.3642%6.0265%
PrimeNet27791.912062.3377%130000080000000120.52175.4896%212.433867.8272%5.4896%
GPU722811,470.600664.1975%190000080000000132.75794.0328%1,603.358568.2303%4.0328%
Difference-3-1,286.7760-1.3770%+621000+14665000+29.8976+1.5109%-1,256.8784+0.1339%+0.1339%

Known prime factors (1 factor, 109.7 bits, 0.00003294% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
333015833103950801197534884988400941246059334109.6801560748632596319902129112
23 × 3 × 23 × 29 × 672 × 73 × 367 × 5801 × 139750861
58011397508612021-02-18508,671,976164.34306.73

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-02-18T16:50:19Simon Josefssongran2521000946650001234109.680162.79,907325.35.544%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-09-08T19:22:00For Researchm1_sa264265--0.011--
2010-11-02T23:40:00For Researchm1_29265266--0.022--
2011-11-29T02:16:00laleraManual testing266267--0.045--
2011-11-29T15:29:00laleraManual testing267268--0.090--
2011-12-10T22:33:00laleraManual testing268269--0.180--
2011-12-10T22:33:00laleraManual testing269270--0.359--
2011-12-10T22:33:00laleraManual testing270271--0.718--
2013-01-14T00:25:00LaurVManual testing271272--1.436--
2013-09-19T10:22:00Preben SManual testing272273--2.872--
2013-09-21T06:46:00Preben SManual testing273274--5.745--
2013-09-21T12:55:00Preben SManual testing273274--5.745--
2013-09-27T01:00:00Preben SManual testing274275--11.49--
2013-11-13T00:45:00shengManual testing275276--22.98--
2020-05-19T23:13:59KrieselManual testing276277--45.96--
2020-05-19T23:13:59KrieselManual testing277278--91.91--


ECM factoring results:
Exponent "333015833" not found


Lucas-Lehmer results:
Exponent "333015833" not found


PRP results:
Exponent "333015833" not found


P-1 factor-bounds graph:
B1 = 2521000, B2 = 94665000 (stage 2)
B1 = 2521000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2021-02-18T16:50:19+00:00