is 2 5592469 - 1
has 1683501 decimal digits
takes 0.883 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LB73EC6554FB85FFAdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2675.313265.6716%6500011212500.02812.4686%5.341366.5191%0.8474%
PrimeNet2620.109962.9032%240005500000.01213.1700%0.121964.0792%1.1760%
GPU722662.640865.1515%360007000000.01652.1894%2.657365.9145%0.7630%
Difference+1+2.6724+0.5201%+29000+421250+0.0115+0.2792%+2.6840+0.6046%+0.6046%

Known prime factors (1 factor, 77.2 bits, 0.00138095% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
55924691771636073140530982308412477.22915839480497259180
22 × 5 × 47 × 103 × 163597195799
2011-02-251031635971957999,477.32,040.93,811.9

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2000-11-05T00:00:00ANONYMOUSv4_computers2000020000---0.005--0.378%
2010-05-08T01:23:00Squeeky_SquirrelP4_2600650001121250---0.028--2.469%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2009-04-20T01:02:00GrunwalderGIMPManual testing262263--0.176--


ECM factoring results:

Old Calculation Method

Total ECM effort:14.408 GHz-days
Estimated T-Level:0.700
DigitsB1CurvesCompleteFacMiss
201100014 / 1000.14086.875%
255000014 / 2800.05095.114%
302500004 / 6400.00699.376%
3510000002 / 15660.00199.872%

New Calculation Method

Total ECM effort:14.408 GHz-days
Estimated T-Level:0.700
DigitsB1CompleteFacMiss
20110000.90040.666%
25500000.13087.772%
302500000.01698.446%
3510000000.00299.835%


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0
500005000000102.401
2500002500000022.401
100000010000000029.61


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2000-11-25T00:00:00ANONYMOUSv4_computersB73EC6554FB85FFA0.883


PRP results:
dateuseridcompidcofactorsres64PRP
2017-12-09T19:07:44Oliver KruseGTX-1
177163607314053098230841
F70766ACD352E8__no
2018-04-05T06:51:28kkmrkkblmbrbkc5.xlarge
177163607314053098230841
F70766ACD352E8__no


P-1 factor-bounds graph:
B1 = 65000, B2 = 1121250 (P-1 stage 2)
B1 = 65000 (P-1 stage 1)
B1 = 20000 (P-1 stage 1)
101
102
103
104
105
101
102
103
104
105
106
107
108
109
1010
1011
1012
TF factor-bounds graph:
267
263
250
260
270
280
290
2100
Last modified: 2018-04-05T06:51:28+00:00