is 2 33879103 - 1
has 10198627 decimal digits
takes 40.090 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
Actual27114.111363.3803%285000288105303.15575.0951%17.267065.2461%1.8658%
PrimeNet2670.877161.1940%15000055000000.75755.1823%1.634663.2051%2.0110%
GPU7227114.111363.3803%24000070000001.04373.8385%15.155164.7859%1.4056%
Difference---+45000+21810530+2.1119+1.2567%+2.1119+0.4602%+0.4602%

Known prime factors (4 factors, 176.0 bits, 0.00051938% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33879103338791031928.3365
5
-151.057e-122.090e-63.492e-6
33879103542743230071135.660801
32 × 89
2008-09-099891.585e-102.292e-53.143e-5
3387910352499031583099671652.22177479961
13 × 37 × 79 × 2039
2008-09-097920392.753e-50.00030.0004
338791039665164598007256071859.74614264197901
14264197901
2015-12-111142641979010.00391,333.52,490.5

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
33879103183876538483685502172063.995
3387910317786201036539899375059772580.557
338791032849349397695846051855107692787.881
338791033274471078943578829436308172788.081
33879103524570265308067124472941402492995.405
33879103507411781486639762237581842022496934111.967
338791039653340201246047083252713969111283935116.217
338791031777197010156635937173931493521730671938123.741
33879103171906560591405397774065219205680849945303943140.303
3387910327539430925963189110732197968527042911256178345147.626
3387910393301121965603535068729345146533824192857221513768
273
53175.962
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-05-27T11:55:05masserManual testing28500028810530-
skipped known factor: 338791031
skipped known factor: 54274323007
skipped known factor: 5249903158309967
--3.156--5.095%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-09T20:44:00Will EdgingtonManual testing??52.221169.81656e-682.572.02188e-5
2008-09-09T20:44:00Will EdgingtonManual testing??35.660112.34246e-1182.574.82469e-11
2015-12-11T12:34:21TJAOIManual testing259260*59.746180.00282.570.003
2022-09-25T06:23:35LordJuliusManual testing2126663.995200.10482.470.214
2022-09-25T06:23:35LordJuliusManual testing2126628.33691.05667e-1282.572.17640e-12
2022-09-25T06:23:35LordJuliusManual testing2126652.221162.75255e-582.575.66933e-5
2022-09-25T06:23:35LordJuliusManual testing2126635.660111.58533e-1082.573.26525e-10
2022-09-25T06:23:35LordJuliusManual testing2126659.746180.00482.570.008
2022-09-25T06:23:35LordJuliusManual testing266267--0.441--
2022-09-20T23:39:33masserManual testing267271--13.23--


ECM factoring results:
No ECM results for M33879103


Lucas-Lehmer results:
No L-L results for M33879103


PRP results:
No PRP results for M33879103


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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109
1010
1011
TF factor-bounds graph:
271
267
266
260
2
220
230
240
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260
270
280
290
2100
Last modified: 2022-09-25T06:23:35+00:00