is 2 79429249 - 1
has 23910587 decimal digits
takes 247.858 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
Actual27596.336264.0000%6650006650003.00891.5632%99.345164.5628%0.5628%
PrimeNet2716.018961.9718%340000160000005.39895.2422%11.417863.9654%1.9935%
GPU7227596.336264.0000%500000170000006.32993.7794%102.666165.3606%1.3606%
Difference---+165000-16335000-3.3210-2.2162%-3.3210-0.7978%-0.7978%

Known prime factors (1 factor, 80.6 bits, 0.00010148% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
7942924918416182820002588916532892580.60711592821946486356
22 × 20341 × 356141 × 400069
2016-09-173561414000695,522.41.62233.2795

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-09-18T02:54:27Jwb52zClay6650006650002580.6073.009495.76.0181.563%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-03-16T16:34:00monstmersenne21259--0.001--
2008-03-16T16:35:00monstmersenne259260--0.001--
2016-04-05T13:02:34Mark RoseManual testing260263--0.018--
2009-05-29T14:13:00Architects Cubedm1_fw263264--0.025--
2010-11-25T12:15:00ANONYMOUS264265--0.047--
2010-11-28T20:02:00GrunwalderGIMPcompute-0-7265266--0.094--
2010-12-03T02:25:00David HruskaDesktopII266267--0.188--
2010-12-07T03:02:00KimberlyM267268--0.376--
2011-02-12T06:21:00Geoff WingG268269--0.753--
2011-02-15T16:07:00Geoff WingG269270--1.505--
2014-03-03T08:16:00Smok_bmvManual testing270271--3.011--
2016-02-22T12:45:06DerekManual testing271272--6.021--
2016-08-08T19:31:11CacheOutManual testing272273--12.04--
2016-08-12T13:00:03Tim SorberaManual testing273274--24.08--
2016-08-13T13:00:05Tim SorberaManual testing274275--48.17--


ECM factoring results:
No ECM results for M79429249


Lucas-Lehmer results:
No L-L results for M79429249


PRP results:
No PRP results for M79429249


P-1 factor-bounds graph:
B1 = 665000 (P-1 stage 1)
104
105
106
104
105
106
TF factor-bounds graph:
275
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272
271
270
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266
265
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Last modified: 2016-09-18T02:54:27+00:00