is 2 33876833 - 1
has 10197943 decimal digits
takes 40.088 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
Actual27114.112263.3803%285000288105303.15575.0951%17.267965.2461%1.8658%
PrimeNet2670.877161.1940%15000055000000.75755.1822%1.634663.2050%2.0110%
GPU7227114.112263.3803%24000070000001.04373.8384%15.156064.7859%1.4056%
Difference---+45000+21810530+2.1119+1.2566%+2.1119+0.4602%+0.4602%

Known prime factors (4 factors, 190.7 bits, 0.00056301% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33876833693120003191136.0121023
3 × 11 × 31
-11313.301e-102.074e-53.841e-5
338768331140611285936891546.6971683468
22 × 32 × 101 × 463
2008-09-091014633.838e-70.00020.0004
3387683318920883346866731650.74927925992
23 × 33 × 129287
2008-09-09271292877.027e-60.01210.0226
338768331739579412668493611857.2722567505960
23 × 32 × 5 × 199 × 35839
2015-08-06199358390.00070.00370.0063

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
3387683379058049814712719893867912582.709
338768331311444272573788577410486872786.761
33876833120573728805804461737569461592993.284
338768332158137308533154802789402066973097.446
338768331984183910873150331451373828272932103.968
3387683332914379139711507828698582526595333108.020
338768331495848138174958271130154181556438993634341133.458
33876833137527755863394463342092578518239496019055143139.981
338768332281361457431370976190727149438221259583900744144.033
338768333754251231636069014598376466296782679130237061747154.717
3387683326021466256476535843174868528884469380454866586309
60226823
58190.730
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-05-27T10:49:05masserManual testing28500028810530-
skipped known factor: 69312000319
skipped known factor: 114061128593689
skipped known factor: 1892088334686673
skipped known factor: 173957941266849361
--3.156--5.095%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-09T20:44:00Will EdgingtonManual testing??46.697151.07094e-782.572.20579e-7
2008-09-09T20:44:00Will EdgingtonManual testing??50.749162.59901e-682.575.35311e-6
2015-06-08T11:06:00TJAOIManual testing257258*57.272180.00082.570.000
2022-09-25T06:23:35LordJuliusManual testing2126646.697153.83814e-782.577.90532e-7
2022-09-25T06:23:35LordJuliusManual testing2126657.272180.00182.570.001
2022-09-25T06:23:35LordJuliusManual testing2126650.749167.02653e-682.571.44724e-5
2022-09-25T06:23:35LordJuliusManual testing2126636.012113.30072e-1082.576.79840e-10
2022-09-25T06:23:35LordJuliusManual testing266267--0.441--
2022-09-20T23:39:33masserManual testing267271--13.24--


ECM factoring results:
No ECM results for M33876833


Lucas-Lehmer results:
No L-L results for M33876833


PRP results:
No PRP results for M33876833


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
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108
TF factor-bounds graph:
271
267
266
258
2
230
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250
260
270
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290
2100
Last modified: 2022-09-25T06:23:35+00:00