is 2 33883847 - 1
has 10200055 decimal digits
takes 40.096 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
Actual27114.109363.3803%285000288105303.15575.0952%17.265065.2461%1.8659%
PrimeNet2670.876961.1940%15000055000000.75755.1824%1.634463.2051%2.0111%
GPU7227114.109363.3803%24000070000001.04373.8385%15.153164.7859%1.4057%
Difference---+45000+21810530+2.1119+1.2567%+2.1119+0.4602%+0.4602%

Known prime factors (4 factors, 185.7 bits, 0.00054797% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
338838471838537538231237.4202713
2713
-127138.577e-100.00030.0005
3388384721615861355191340.97531897
167 × 191
2008-09-091671918.231e-90.00030.0006
33883847413754978040071445.234610549
61 × 10009
2008-09-0961100091.596e-70.00100.0017
3388384747549256175245771291962.04470165079212
22 × 31 × 733 × 771961
2016-06-237337719610.03500.07340.1348

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
338838473974157252269201423391372478.395
3388384776070405875619800809687612582.654
33883847894367024033383620032246332686.209
338838478742109239310398581273421141673099.464
338838471027818129026524533927976194495132103.019
3388384719673741444610476939629079675590333107.278
338838471644327346640428366111291880775152195938123.629
33883847188968221268859092298063946475306483179767343140.439
338838473617091216334767017385183247608031718406716944144.698
3388384742526486740455549238192288201233782772121865745148.253
3388384778186542241367882445128601444867033826567520037632
675711
56185.673
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-05-27T14:39:47masserManual testing28500028810530-
skipped known factor: 183853753823
skipped known factor: 2161586135519
skipped known factor: 41375497804007
skipped known factor: 4754925617524577129
--3.156--5.095%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-09T20:45:00Will EdgingtonManual testing??40.975133.90835e-982.588.04985e-9
2008-09-09T20:45:00Will EdgingtonManual testing??45.234142.12288e-882.584.37240e-8
2016-06-23T15:06:22TJAOIManual testing262263*62.044190.01782.540.035
2022-09-25T06:23:36LordJuliusManual testing2126637.420128.57671e-1082.581.76651e-9
2022-09-25T06:23:36LordJuliusManual testing2126640.975138.23120e-982.581.69534e-8
2022-09-25T06:23:36LordJuliusManual testing2126645.234141.59560e-782.583.28639e-7
2022-09-25T06:23:36LordJuliusManual testing2126662.044190.03582.540.072
2022-09-25T06:23:36LordJuliusManual testing266267--0.441--
2022-09-20T23:39:35masserManual testing267271--13.23--


ECM factoring results:
No ECM results for M33883847


Lucas-Lehmer results:
No L-L results for M33883847


PRP results:
No PRP results for M33883847


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
107
108
TF factor-bounds graph:
271
267
266
263
2
230
240
250
260
270
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290
2100
Last modified: 2022-09-25T06:23:36+00:00