is 2 5905967 - 1
has 1777874 decimal digits
takes 1.047 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L562EA5A06E9705A9double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2675.031265.6716%7000011200000.03272.5257%5.063966.5387%0.8670%
PrimeNet2620.104062.9032%260006000000.01473.3211%0.118764.1353%1.2320%
GPU722662.500665.1515%400008000000.02092.3416%2.521565.9675%0.8160%
Difference+1+2.5306+0.5201%+30000+320000+0.0118+0.1841%+2.5423+0.5711%+0.5711%

Known prime factors (1 factor, 70.3 bits, 0.00118952% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
590596714062782698409378391912270.252119055716857285
5 × 13 × 1831626413189
2011-06-1913183162641318956.45325,64447,895

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2001-07-29T00:00:00ANONYMOUSv4_computers30000367500---0.012--1.549%
2001-08-31T00:00:00ANONYMOUSv4_computers25000200000---0.009--1.224%
2011-06-16T00:51:00harleeP4_2600700001120000---0.033--2.526%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-09-06T00:00:00ANONYMOUSv4_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)
1998-12-27T00:00:00ANONYMOUSv4_computers562EA5A06E9705A91.047
2000-12-07T00:00:00ANONYMOUSv4_computersB14788E02128C8__1.047
2001-09-22T00:00:00ANONYMOUSv4_computers562EA5A06E9705A91.047


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T19:17:10kkmrkkblmbrbkManual testing
1406278269840937839191
931702F192029D__no
2018-09-10T03:40:22ATHwork200599
1406278269840937839191
931702F192029D__no


P-1 factor-bounds graph:
B1 = 70000, B2 = 1120000 (P-1 stage 2)
B1 = 70000 (P-1 stage 1)
B1 = 30000, B2 = 367500 (P-1 stage 2)
B1 = 25000, B2 = 200000 (P-1 stage 2)
B1 = 30000 (P-1 stage 1)
B1 = 25000 (P-1 stage 1)
100
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100
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1010
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TF factor-bounds graph:
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2100
Last modified: 2018-09-10T03:40:22+00:00