is 2 80254519 - 1
has 24159018 decimal digits
takes 250.433 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
Actual27595.345564.0000%670000127300006.00463.7120%101.350165.3363%1.3363%
PrimeNet2715.957061.9718%340000160000005.39895.2488%11.355963.9679%1.9960%
GPU7227595.345564.0000%500000170000006.32993.7843%101.675465.3623%1.3623%
Difference---+170000-4270000-0.3253-0.0723%-0.3253-0.0260%-0.0260%

Known prime factors (1 factor, 80.8 bits, 0.00010065% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
8025451920665338734029623693547432580.77312874875453449309
31379 × 63467 × 6464813
2016-12-186346764648135,130.81.86522.9766

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-12-18T08:20:47Jwb52zClay670000127300002580.7736.005500.912.013.712%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-12-03T13:50:00Architects Cubedm1_09264265--0.047--
2011-01-14T14:32:00runeskubuntu3265266--0.093--
2011-03-20T02:24:00OS1corner266267--0.186--
2013-01-26T12:48:00phoenicisManual testing267268--0.372--
2013-01-31T23:08:00rjbelansManual testing268269--0.745--
2013-06-06T21:11:00ramgeisManual testing269270--1.490--
2013-06-06T21:11:00ramgeisManual testing270271--2.980--
2013-06-06T21:11:00ramgeisManual testing271272--5.959--
2013-06-09T21:35:00ramgeisManual testing272273--11.92--
2016-10-09T19:29:02TheJudgerManual testing273274--23.84--
2016-10-09T19:29:02TheJudgerManual testing274275--47.67--


ECM factoring results:
No ECM results for M80254519


Lucas-Lehmer results:
No L-L results for M80254519


PRP results:
No PRP results for M80254519


P-1 factor-bounds graph:
B1 = 670000, B2 = 12730000 (P-1 stage 2)
B1 = 670000 (P-1 stage 1)
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TF factor-bounds graph:
275
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271
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2100
Last modified: 2016-12-18T08:20:47+00:00