is 2 384619 - 1
has 115782 decimal digits
takes 0.004 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
Actual26777.255571.6418%6553665536000.00592.3932%77.261372.3204%0.6787%
PrimeNet2400.000052.5000%40001200000.000117.2170%0.000160.6781%8.1781%
GPU722440.000056.8182%70002000000.000212.7800%0.000362.3368%5.5187%
Difference+23+77.2555+14.8236%+58536+6353600+0.0056-10.3869%+77.2611+9.9836%+9.9836%

Known prime factors (1 factor, 67.5 bits, 0.01755236% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3846192101127125979953440792167.510273143958824181
3 × 91047986274727
2007-08-30391047986274727121.0169,730130,236

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2001-11-10T00:00:00ANONYMOUSv4_computers500001000000---0.001--1.442%
2002-06-15T00:00:00ANONYMOUSv4_computers327683276800---0.003--1.678%
2002-08-24T00:00:00ANONYMOUSv4_computers655366553600---0.006--2.393%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-01T00:00:00ANONYMOUSv4_computers252253--0.002--
2000-04-27T00:00:00ANONYMOUSv4_computers21254--0.006--
2022-03-07T06:43:07LordJuliusManual testing254255--0.006--
2001-03-17T00:00:00ANONYMOUSv4_computers21256--0.025--
2002-01-28T00:00:00ANONYMOUSv4_computers21257--0.050--
2004-01-18T00:00:00ANONYMOUSv4_computers21258--0.100--


ECM factoring results:

Old Calculation Method

Total ECM effort:10.523 GHz-days
Estimated T-Level:26.125
DigitsB1CurvesCompleteFacMiss
2011000425 / 1004.2501.396%
2550000425 / 2801.51821.859%
30250000144 / 6400.22579.838%

New Calculation Method

Total ECM effort:10.523 GHz-days
Estimated T-Level:26.125
DigitsB1CompleteFacMiss
201100023.8990.000%
25500003.0284.840%
302500000.28775.049%
3510000000.02297.832%
4030000000.00199.860%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
5000050000002812.954
250000250000001447.569


Lucas-Lehmer results:
No L-L results for M384619


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-23T06:21:54Oliver KruseOllaptop
210112712597995344079
F8C2F98D51BB71__no
2017-11-02T12:08:24kkmrkkblmbrbkc4.xlarge
210112712597995344079
F8C2F98D51BB71__no
2020-04-18T15:24:59Oliver KruseAddPrpType5
210112712597995344079
C7139CBBC1EB2F__no


P-1 factor-bounds graph:
B1 = 65536, B2 = 6553600 (P-1 stage 2)
B1 = 32768, B2 = 3276800 (P-1 stage 2)
B1 = 50000, B2 = 1000000 (P-1 stage 2)
B1 = 65536 (P-1 stage 1)
B1 = 50000 (P-1 stage 1)
B1 = 32768 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-03-07T06:43:07+00:00