is 2 33885017 - 1
has 10200407 decimal digits
takes 40.097 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
Actual27114.108863.3803%285000288105303.15575.0952%17.264565.2461%1.8659%
PrimeNet2670.876961.1940%15000055000000.75755.1824%1.634463.2051%2.0111%
GPU7227114.108863.3803%24000070000001.04373.8386%15.152664.7860%1.4057%
Difference---+45000+21810530+2.1119+1.2567%+2.1119+0.4602%+0.4602%

Known prime factors (4 factors, 175.6 bits, 0.00051814% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33885017474390239928.8217
7
-171.057e-122.277e-63.492e-6
3388501735240417691031.71552
22 × 13
2008-09-094138.538e-127.705e-61.397e-5
3388501710809916799299211649.94115950880
25 × 32 × 5 × 11 × 19 × 53
2008-09-0932533.478e-65.687e-50.0001
33885017393701935470095269512065.094580938081675
3 × 52 × 7 × 547 × 773 × 2617
2018-05-3077326170.33060.00150.0027

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
3388501716717710170418927911960.536
338850175128119013989667264411192478.763
3388501738094598320145205968702492581.656
33885017186768355262421072255618312892993.915
338850171387422065132758380162552163193096.808
33885017180717056017026827741970007509951134110.477
338850174255885166154796372118588704080087135115.035
338850176581794850722028146945659795456711024138125.630
338850172018950381128728561965670231671252794509816944143.857
3388501714997917089597007535035573614509807661558079945146.750
3388501771148654726361088182303266404894015244105686361420
961
53175.571
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-05-27T15:45:44masserManual testing28500028810530-
skipped known factor: 474390239
skipped known factor: 3524041769
skipped known factor: 1080991679929921
skipped known factor: 39370193547009526951
--3.156--5.095%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-09T20:45:00Will EdgingtonManual testing??49.941161.26470e-682.592.60484e-6
2008-09-09T20:45:00Will EdgingtonManual testing??31.715109.50270e-1482.591.95723e-13
2018-05-30T12:29:52TJAOIManual testing265266*65.094200.11582.150.236
2022-09-25T06:23:36LordJuliusManual testing2126631.715108.53781e-1282.591.75849e-11
2022-09-25T06:23:36LordJuliusManual testing2126628.82191.05695e-1282.592.17694e-12
2022-09-25T06:23:37LordJuliusManual testing2126649.941163.47793e-682.597.16332e-6
2022-09-25T06:23:37LordJuliusManual testing2126660.536190.00682.580.012
2022-09-25T06:23:37LordJuliusManual testing2126665.094200.33182.150.677
2022-09-25T06:23:37LordJuliusManual testing266267--0.441--
2022-09-20T23:39:37masserManual testing267271--13.23--


ECM factoring results:
No ECM results for M33885017


Lucas-Lehmer results:
No L-L results for M33885017


PRP results:
No PRP results for M33885017


P-1 factor-bounds graph:
B1 = 285000, B2 = 28810530 (P-1 stage 2)
B1 = 285000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
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108
TF factor-bounds graph:
271
267
266
2
220
230
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250
260
270
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290
2100
Last modified: 2022-09-25T06:23:37+00:00