is 2 477394409 - 1
has 143710037 decimal digits
takes 11,176.223 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
Actual2734.006860.2740%----4.006860.2740%0.0000%
PrimeNet278128.230562.8205%1800000120000000279.70855.7845%407.939064.9711%2.1506%
GPU722822,051.693064.6341%2800000120000000311.80484.3119%2,363.497866.1591%1.5249%
Difference-9-2,047.6862-4.3602%-2800000-120000000-311.8048-4.3119%-2,359.4910-5.8851%-1.5249%

Known prime factors (3 factors, 203.2 bits, 0.00004256% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
477394409205267858078187035212064.15421498770640
24 × 3 × 5 × 89578211
2011-12-1116895782110.0118165.67309.43
4773944092093303373276286286812167.504219242552260
22 × 5 × 601 × 18239813
2022-09-22601182398130.118133.75363.005
47739440934326524779443205772232271.5403595195516779
32 × 97 × 4118207923
2022-09-259741182079231.79057,616.514,225

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
477394409429687899740266912839827121944853628580140131.658
4773944097046132216744118483086151397248622250218341135.694
47739440971855830113660491775345946273882185313286342139.044
47739440914749692337861180005092430773047766434864132468227
060818910623
62203.198
P-1 results:
No P-1 results for M477394409


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2011-12-11T12:45:00Alben WeeksAlben_Desk??64.154200.00422,8860.009
2010-03-29T14:56:00Architects CubedManual testing263264--0.004--
2022-09-22T09:42:49TJAOIManual testing267268*67.504210.05622,8860.114
2022-09-25T22:01:34LordJuliusManual testing2126964.154200.01222,8860.024
2022-09-25T22:01:34LordJuliusManual testing2126967.504210.11822,8860.242
2022-09-25T22:01:34LordJuliusManual testing269270--0.250--
2022-09-25T22:01:34LordJuliusManual testing270271--0.501--
2022-09-25T22:01:34LordJuliusManual testing27127271.540220.78922,8841.616
2022-09-25T22:01:34LordJuliusManual testing272273--2.004--


ECM factoring results:
No ECM results for M477394409


Lucas-Lehmer results:
No L-L results for M477394409


PRP results:
No PRP results for M477394409


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
273
272
271
270
269
268
264
2
250
260
270
280
290
2100
Last modified: 2022-09-25T22:01:34+00:00