is 2 1799107 - 1
has 541586 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
Actual26716.515968.6567%500000150000000.10155.0582%16.617470.2421%1.5854%
PrimeNet2570.010763.1579%80001500000.00122.8699%0.011964.2152%1.0573%
GPU722610.170765.5738%90001300000.00121.5542%0.172066.1088%0.5351%
Difference+6+16.3452+3.0829%+491000+14870000+0.1002+3.5040%+16.4454+4.1333%+4.1333%

Known prime factors (2 factors, 111.6 bits, 0.00620369% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1799107386340237191135.16910737
32 × 1193
-911933.369e-95.782e-69.576e-6
17991071026324939180406446054012476.44228523176753256100
22 × 35 × 52 × 1173793282027
2020-06-1924311737932820279,058.85,030.69,395.7

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1799107396510620436970550569111162950631934111.611
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-03-16T12:35:34alpertronManual testing5000001500000012-
skipped known factor: 38634023719
--0.101--5.058%


Trial Factoring results:
No TF results for M1799107


ECM factoring results:

Old Calculation Method

Total ECM effort:17.303 GHz-days
Estimated T-Level:24.482
DigitsB1CurvesCompleteFacMiss
2011000251 / 1002.5108.025%
2550000251 / 2800.89640.737%

New Calculation Method

Total ECM effort:17.303 GHz-days
Estimated T-Level:24.482
DigitsB1CompleteFacMiss
20110008.0970.030%
25500000.73248.105%
302500000.04595.594%
3510000000.00299.794%


ECM Summary

B1B2factorcurvesGHz-days
5000050000001198.204
5000050000001329.100


Lucas-Lehmer results:
No L-L results for M1799107


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-03T18:37:46Oliver KruseGTX-2
38634023719
F40C49AA029656__no
2017-11-05T10:29:27kkmrkkblmbrbkc4.xlarge
38634023719
F40C49AA029656__no
2020-06-22T05:39:37Justine V.Gible_Desktop_1
38634023719
102632493918040644605401
805ED9CD417AA6A5no
2020-06-22T05:48:13ATHec2-PRPCFDC
38634023719
102632493918040644605401
805ED9CD417AA6A5no


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