is 2 1759249 - 1
has 529587 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
Actual26716.890168.6567%500000150000000.10155.0445%16.991670.2378%1.5811%
PrimeNet2570.010963.1579%80001400000.00122.8053%0.012164.1914%1.0335%
GPU722610.174665.5738%80001100000.00111.4142%0.175766.0606%0.4869%
Difference+6+16.7155+3.0829%+492000+14890000+0.1004+3.6303%+16.8159+4.1772%+4.1772%

Known prime factors (4 factors, 242.0 bits, 0.01375521% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
17592492330195670471237.76266227
7 × 9461
-794611.389e-84.107e-57.573e-5
17592491001447004393131546.50928462344
23 × 3 × 1185931
2014-02-13811859318.955e-60.00510.0095
175924993125472390601192487692272.9802646739386823616
26 × 7 × 31 × 53 × 881 × 1619 × 2521
2015-05-2916192521698.480.00010.0003
1759249322593695036459832310237372684.7389168505852112459132
22 × 7 × 43 × 61 × 1637 × 76259431819
2020-05-231637762594318194,440,526326.83610.43

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1759249233356747384202259581187112684.271
1759249217000572575052419455234326771514334110.741
175924993260225358262698936541504183445569736119.489
1759249751706431494878230045377337431999463937122.500
1759249323060489530373629163113066591463097268140131.247
175924921731457335688024570282608632372625916184261675948157.250
175924930041690240499861063183118606118566144324702975348157.718
175924975279415400359539423734739719851210951690310484300
7
51169.009
175924970003016532013629298065834092769984080989744034912
787349391
59195.479
175924930085160698254915008388699211243273551633197306122
441481879689
62204.227
175924970104311204467805036945170632914179975925536360249
78036478198226523008383
73241.988
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2015-05-29T12:14:00alpertronManual testing50000015000000122272.9800.0390.1910.0795.045%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-02-13T14:49:00TJAOIManual testing??46.509153.62624e-60.2057.78273e-6


ECM factoring results:

Old Calculation Method

Total ECM effort:23.519 GHz-days
DigitsB1CurvesCompleteFacMiss
2011000342 / 1003.4203.215%
2550000342 / 2801.22129.416%

New Calculation Method

Total ECM effort:23.519 GHz-days
DigitsB1CompleteFacMiss
201100011.0320.002%
25500000.99736.895%
302500000.06194.045%
3510000000.00399.719%


ECM Summary

B1B2factorcurvesGHz-days
50000500000025117.26
500005000000916.258


Lucas-Lehmer results:
No L-L results for M1759249


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-03T09:09:13Oliver KruseGTX-2
233019567047
100144700439313
9312547239060119248769
457EFDD59F4AA038no
2017-10-05T21:32:28Oliver KruseManual testing
233019567047
100144700439313
9312547239060119248769
457EFDD59F4AA0__no
2017-11-10T20:52:10kkmrkkblmbrbkc4.xlarge
233019567047
100144700439313
9312547239060119248769
457EFDD59F4AA0__no
2020-05-23T09:09:16CrypticCluecruncher
233019567047
100144700439313
9312547239060119248769
32259369503645983231023737
A9DA79F7F0956F7Cno
2020-05-24T06:55:24marssystemssystem03
233019567047
100144700439313
9312547239060119248769
32259369503645983231023737
A9DA79F7F0956F7Cno


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
TF factor-bounds graph:
267
2
230
240
250
260
270
280
290
2100
Last modified: 2020-08-21T10:53:56+00:00