is 2 5900969 - 1
has 1776369 decimal digits
takes 1.046 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L4F75821C04C46389double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2675.035465.6716%6500011050000.03132.4807%5.066766.5232%0.8516%
PrimeNet2620.104162.9032%260006000000.01473.3207%0.118864.1351%1.2319%
GPU722662.502765.1515%400008000000.02092.3413%2.523665.9674%0.8159%
Difference+1+2.5327+0.5201%+25000+305000+0.0103+0.1394%+2.5431+0.5558%+0.5558%

Known prime factors (1 factor, 66.8 bits, 0.00113222% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
59009691295147355339315457612166.81210974022701520
24 × 5 × 1877 × 73082197
2011-06-171877730821972.68911.02361.9110

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2009-06-12T06:34:00Carsten Kossendeyleela30000427500---0.013--1.617%
2011-06-15T03:06:00harleeP4_2600650001105000---0.031--2.481%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-05-23T00:00:00ANONYMOUSv4_computers21262--0.104--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.000 GHz-days
DigitsB1CurvesCompleteFacMiss

New Calculation Method

Total ECM effort:0.000 GHz-days
DigitsB1CompleteFacMiss


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-01-02T00:00:00ANONYMOUSv4_computers95235285C4FB33__1.046
1999-08-31T00:00:00ANONYMOUSv4_computers4F75821C04C463891.046
2000-10-28T00:00:00ANONYMOUSv4_computers4F75821C04C463891.046


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T06:20:44kkmrkkblmbrbkManual testing
129514735533931545761
D43E3FED75AC3E__no
2018-09-11T18:07:07EthanDLexxBuntu
129514735533931545761
D43E3FED75AC3E__no


P-1 factor-bounds graph:
B1 = 65000, B2 = 1105000 (P-1 stage 2)
B1 = 65000 (P-1 stage 1)
B1 = 30000, B2 = 427500 (P-1 stage 2)
B1 = 30000 (P-1 stage 1)
102
103
104
105
102
103
104
105
106
107
108
TF factor-bounds graph:
267
262
250
260
270
280
290
2100
Last modified: 2018-09-11T18:07:07+00:00