is 2 1799533 - 1
has 541714 decimal digits
takes 0.098 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
Actual26716.512068.6567%500000150000000.10155.0583%16.613570.2422%1.5854%
PrimeNet2570.010763.1579%80001500000.00122.8700%0.011964.2153%1.0574%
GPU722610.170765.5738%90001300000.00121.5543%0.171966.1089%0.5351%
Difference+6+16.3413+3.0829%+491000+14870000+0.1002+3.5041%+16.4416+4.1333%+4.1333%

Known prime factors (3 factors, 156.5 bits, 0.00869618% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
179953397174783826.53427
33
-27274.997e-122.124e-64.322e-6
17995338096785397279260971859.490224969072456
23 × 103 × 4327 × 63097
2015-07-034327630970.06090.00060.0007
179953316312920310357566558172270.467453254269589876
22 × 17 × 6665503964557
2020-10-02176665503964557227.5928,56753,355

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1799533786803363978180975160119512686.024
17995331585204491255289182698226627113097.0006
1799533132082214955883414706049562127364115624940129.957
179953312835060576497325397359374986971626297836566896748156.491
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2015-07-03T18:22:00alpertronManual testing50000015000000121859.4900.0390.1950.0795.058%


Trial Factoring results:
No TF results for M1799533


ECM factoring results:

Old Calculation Method

Total ECM effort:17.786 GHz-days
Estimated T-Level:24.607
DigitsB1CurvesCompleteFacMiss
2011000258 / 1002.5807.480%
2550000258 / 2800.92139.729%

New Calculation Method

Total ECM effort:17.786 GHz-days
Estimated T-Level:24.607
DigitsB1CompleteFacMiss
20110008.3230.024%
25500000.75247.133%
302500000.04695.474%
3510000000.00299.788%


ECM Summary

B1B2factorcurvesGHz-days
50000500000025417.51
50000500000040.276


Lucas-Lehmer results:
No L-L results for M1799533


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-03T18:25:18Oliver KruseGTX-0
97174783
809678539727926097
B1CB17205D215E__no
2017-11-06T00:24:56bayanneiMac1
97174783
809678539727926097
B1CB17205D215E__no
2020-10-02T17:27:28tottenhoff3-of-4-Ryzen-5-3600
97174783
809678539727926097
1631292031035756655817
CF994A5250BDA714no
2020-10-03T14:06:20kutenshadar
97174783
809678539727926097
1631292031035756655817
CF994A5250BDA714no


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2020-12-18T11:12:54+00:00