is 2 1759333 - 1
has 529613 decimal digits
takes 0.095 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
Actual26716.889368.6567%500000150000000.10155.0446%16.990870.2379%1.5811%
PrimeNet2570.010963.1579%80001400000.00122.8053%0.012164.1914%1.0335%
GPU722610.174665.5738%80001200000.00111.4525%0.175766.0738%0.5001%
Difference+6+16.7147+3.0829%+492000+14880000+0.1004+3.5920%+16.8151+4.1640%+4.1640%

Known prime factors (2 factors, 121.0 bits, 0.00687927% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
17593331609437828411237.22845740
22 × 5 × 2287
-522871.978e-81.017e-51.828e-5
1759333168565296200074020749811672683.8024790602353280306251
3 × 13 × 347 × 2657 × 133230754471
2020-05-1926571332307544711,762,002570.991,066.5

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1759333271295364261535556836834174081275544737121.029
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-03-16T12:30:08alpertronManual testing5000001500000012-
skipped known factor: 160943782841
--0.101--5.045%


Trial Factoring results:
No TF results for M1759333


ECM factoring results:

Old Calculation Method

Total ECM effort:18.637 GHz-days
Estimated T-Level:24.839
DigitsB1CurvesCompleteFacMiss
2011000271 / 1002.7106.564%
2550000271 / 2800.96837.924%

New Calculation Method

Total ECM effort:18.637 GHz-days
Estimated T-Level:24.839
DigitsB1CompleteFacMiss
20110008.7420.016%
25500000.79045.381%
302500000.04995.251%
3510000000.00299.777%


ECM Summary

B1B2factorcurvesGHz-days
50000500000025117.26
500005000000201.375


Lucas-Lehmer results:
No L-L results for M1759333


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-03T08:59:02Oliver KruseGTX-3
160943782841
A7F2E09F6D6886__no
2017-11-04T05:12:33Chang Chia-Tcheexbpc13
160943782841
A7F2E09F6D6886__no
2020-05-20T02:19:04CrypticCluecruncher
160943782841
16856529620007402074981167
14875882B7091C3Ano
2020-05-21T00:23:53Luigi Morelli9800X
160943782841
16856529620007402074981167
14875882B7091C3Ano


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100
Last modified: 2020-08-28T11:14:35+00:00