is 2 33883331 - 1
has 10199899 decimal digits
takes 40.095 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
Actual27114.109563.3803%285000288105303.15575.0952%17.265265.2461%1.8659%
PrimeNet2670.876961.1940%15000055000000.75755.1824%1.634563.2051%2.0111%
GPU7227114.109563.3803%24000070000001.04373.8385%15.153364.7859%1.4057%
Difference---+45000+21810530+2.1119+1.2567%+2.1119+0.4602%+0.4602%

Known prime factors (4 factors, 152.7 bits, 0.00045065% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3388333167766663826.0141
1
-112.639e-131.716e-63.492e-6
33883331609899959929.1849
32
2008-09-09992.115e-121.544e-53.143e-5
3388333134480355292231341.64950881
17 × 41 × 73
2008-09-0941738.760e-97.334e-50.0001
33883331649343945473405671755.850958205593
43 × 109 × 204439
2015-02-181092044390.00030.01930.0357

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
33883331413308849852668171755.198
338833312336618617208816928492167.663
3388333121029567279036510018572270.833
3388333144003872323986657501179212581.864
33883331396034845721128353723367532685.034
338833311425103598834294139124556931913096.847
338833312238960994678145174630618894413097.499
33883331268379599262406971265162426306523934111.048
338833311517269151964986575142693000989150538338123.513
3388333113655422188567999602032623038452843291939126.683
33883331925382393575410081615078880452869872753997929746152.697
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-05-27T13:33:57masserManual testing28500028810530-
skipped known factor: 67766663
skipped known factor: 609899959
skipped known factor: 3448035529223
skipped known factor: 64934394547340567
--3.156--5.095%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-09T20:45:00Will EdgingtonManual testing??41.649131.14155e-1082.582.35120e-10
2008-09-09T20:45:00Will EdgingtonManual testing??29.18494.11195e-1582.588.46921e-15
2015-02-18T12:44:00TJAOIManual testing255256*55.850170.00082.580.000
2022-09-25T06:23:36LordJuliusManual testing2126641.649138.76000e-982.581.80426e-8
2022-09-25T06:23:36LordJuliusManual testing2126655.198170.00082.580.001
2022-09-25T06:23:36LordJuliusManual testing2126629.18492.11491e-1282.584.35600e-12
2022-09-25T06:23:36LordJuliusManual testing2126655.850170.00082.580.001
2022-09-25T06:23:36LordJuliusManual testing2126626.01482.63907e-1382.585.43559e-13
2022-09-25T06:23:36LordJuliusManual testing266267--0.441--
2022-09-20T23:39:35masserManual testing267271--13.23--


ECM factoring results:
No ECM results for M33883331


Lucas-Lehmer results:
No L-L results for M33883331


PRP results:
No PRP results for M33883331


P-1 factor-bounds graph:
B1 = 285000, B2 = 28810530 (P-1 stage 2)
B1 = 285000 (P-1 stage 1)
100
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100
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108
TF factor-bounds graph:
271
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266
256
2
220
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2100
Last modified: 2022-09-25T06:23:36+00:00