is 2 33872441 - 1
has 10196621 decimal digits
takes 40.082 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
Actual27114.114163.3803%285000288105303.15575.0950%17.269865.2461%1.8658%
PrimeNet2670.877261.1940%15000055000000.75755.1822%1.634763.2050%2.0110%
GPU7227114.114163.3803%24000070000001.04373.8384%15.157864.7859%1.4056%
Difference---+45000+21810530+2.1119+1.2566%+2.1119+0.4602%+0.4602%

Known prime factors (4 factors, 190.9 bits, 0.00056371% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3387244110161732311029.92015
3 × 5
-352.118e-125.334e-61.048e-5
338724413813150076094631548.4385628691
463 × 12157
2008-09-09463121571.474e-60.00190.0021
33872441128696494208914331753.515189972276
22 × 3 × 13 × 1217771
2014-09-271312177715.456e-50.11390.2126
338724416043863622899675771859.0688921505868
22 × 11 × 67 × 619 × 4889
2015-10-2261948890.00430.00150.0022

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
338724413874821033112976028849532478.358
33872441130777932338645263718300232683.435
338724416141612425405329116053312872788.989
33872441490739046685833786563978643047931101.953
3387244123046159033565464817385854838115133107.506
33872441777824059743976104725208800706784134112.583
33872441498675882648603560821682565920980230764940131.873
3387244123418889887278055833499809084544403116888142137.427
33872441790403987939573231125409794163847882516427143142.504
33872441296595987260097651504868635632108915344147457938349161.021
3387244130139290267572826790521437370084184384916779927359
89096473
58190.942
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-05-27T06:57:48masserManual testing28500028810530-
skipped known factor: 1016173231
skipped known factor: 381315007609463
skipped known factor: 12869649420891433
skipped known factor: 604386362289967577
--3.156--5.095%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-09T20:44:00Will EdgingtonManual testing??48.438153.66851e-782.567.55598e-7
2014-09-27T11:49:00TJAOIManual testing253254*53.515171.91386e-582.563.94194e-5
2015-10-22T11:44:00TJAOIManual testing259260*59.068180.00282.550.004
2022-09-25T06:23:33LordJuliusManual testing2126629.920102.11834e-1282.564.36310e-12
2022-09-25T06:23:33LordJuliusManual testing2126653.515175.45633e-582.560.000
2022-09-25T06:23:33LordJuliusManual testing2126648.438151.47388e-682.563.03572e-6
2022-09-25T06:23:33LordJuliusManual testing2126659.068180.00482.550.009
2022-09-25T06:23:33LordJuliusManual testing266267--0.441--
2022-09-20T12:38:02masserManual testing267271--13.24--


ECM factoring results:
No ECM results for M33872441


Lucas-Lehmer results:
No L-L results for M33872441


PRP results:
No PRP results for M33872441


P-1 factor-bounds graph:
B1 = 285000, B2 = 28810530 (P-1 stage 2)
B1 = 285000 (P-1 stage 1)
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TF factor-bounds graph:
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254
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2100
Last modified: 2022-09-25T06:23:33+00:00