is 2 1493 - 1
has 450 decimal digits
takes 0.000 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actualunknown10000000001000000000000.188852.0715%0.188852.0715%-20.4285%
PrimeNet2400.000172.5000%500100000.00001.7934%0.000174.2934%1.7934%
GPU722440.001675.0000%500100000.00000.6912%0.001675.6912%0.6912%
Difference-44-0.0016-75.0000%+999999500+99999990000+0.1888+51.3803%+0.1872-23.6197%-23.6197%

Known prime factors (2 factors, 164.6 bits, 11.02240440% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
149337885263191031.8191268763
3 × 19 × 22259
1922259-3.112e-73.633e-86.687e-8
1493912808606363882454196483111032976854422340132.7463056961173355266089070606533934952627
32 × 131 × 78505621 × 116878349363 × 282579918004231
116878349363282579918004231-9.015e+13457.80848.95

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
14933458199429419279568745688263387432089896715090513750164.564
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-09-07T20:58:13kkmrkkblmbrbkManual testing100000000010000000000012---0.189--44.218%


Trial Factoring results:
Exponent "1493" not found


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
44000000440000000014,645273.8
11000000011000000060019.01
110000000110000000004,345203.1


Lucas-Lehmer results:
Exponent "1493" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-21T18:21:20Oliver KruseOliver-PCF054E5AE351E51__?
2017-09-21T19:20:52Oliver KruseManual testingF054E5AE351E51__?
2017-10-02T09:48:15kkmrkkblmbrbkManual testing
3788526319
9128086063638824541964831110329768544223
F054E5AE351E51__no
2017-12-07T02:19:09ATHManual testing
3788526319
9128086063638824541964831110329768544223
F054E5AE351E51__no
2020-04-17T12:30:38Oliver KruseIOS-1
3788526319
9128086063638824541964831110329768544223
A67B69E84E0FF3EEno
2020-08-12T10:14:38_p95holder_TFL16_PRPt11-E_b
3788526319
9128086063638824541964831110329768544223
A67B69E84E0FF3EEno


P-1 factor-bounds graph:
B1 = 1000000000, B2 = 100000000000 (stage 2)
B1 = 1000000000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-08-12T10:14:38+00:00