is 2 33874231 - 1
has 10197160 decimal digits
takes 40.085 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
Actual27114.113363.3803%285000288105303.15575.0950%17.269065.2461%1.8658%
PrimeNet2670.877261.1940%15000055000000.75755.1822%1.634763.2050%2.0110%
GPU7227114.113363.3803%24000070000001.04373.8384%15.157164.7859%1.4056%
Difference---+45000+21810530+2.1119+1.2566%+2.1119+0.4602%+0.4602%

Known prime factors (4 factors, 153.2 bits, 0.00045235% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33874231338742311928.3365
5
-151.057e-122.090e-63.492e-6
3387423116259630891030.59924
23 × 3
2008-09-09884.245e-121.373e-52.794e-5
338742311138174161611236.7281680
24 × 3 × 5 × 7
2008-09-0916163.685e-102.745e-55.587e-5
338742312137706651090884011857.5693155358200
23 × 52 × 191 × 82601
2015-08-06191826010.00110.00800.0144

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
338742315507824943685586791858.934
33874231385547745824258880712065.064
338742311850629175631380813292167.327
33874231724131691230596720580347112685.904
338742313475832109783578984640306892788.167
33874231243308247537348769999550485612994.297
33874231626886403757398820814914113192995.662
3387423111774114015160952551080910596678227936116.503
33874231824187980561615811626552004567036447137122.632
338742313956102297450042489388196361938856492938124.895
338742311340099234790636799903550611764960689102301091947153.231
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-05-27T09:43:01masserManual testing28500028810530-
skipped known factor: 338742311
skipped known factor: 1625963089
skipped known factor: 113817416161
skipped known factor: 213770665109088401
--3.156--5.095%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-09T20:44:00Will EdgingtonManual testing??36.728129.82746e-1182.562.02414e-10
2008-09-09T20:44:00Will EdgingtonManual testing??30.599102.19363e-1482.564.51817e-14
2015-06-30T10:32:00TJAOIManual testing257258*57.569180.00182.560.001
2022-09-25T06:23:34LordJuliusManual testing2126630.599104.24467e-1282.568.74267e-12
2022-09-25T06:23:34LordJuliusManual testing2126628.33691.05683e-1282.562.17672e-12
2022-09-25T06:23:34LordJuliusManual testing2126665.064200.25682.130.524
2022-09-25T06:23:35LordJuliusManual testing2126636.728123.68530e-1082.567.59053e-10
2022-09-25T06:23:35LordJuliusManual testing2126657.569180.00182.560.002
2022-09-25T06:23:35LordJuliusManual testing2126658.934180.00182.560.003
2022-09-25T06:23:35LordJuliusManual testing266267--0.441--
2022-09-20T12:38:04masserManual testing267271--13.24--


ECM factoring results:
No ECM results for M33874231


Lucas-Lehmer results:
No L-L results for M33874231


PRP results:
No PRP results for M33874231


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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TF factor-bounds graph:
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258
2
220
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2100
Last modified: 2022-09-25T06:23:35+00:00