is 2 80254403 - 1
has 24158983 decimal digits
takes 250.433 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-LC460C16F54439B__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27595.345764.0000%675000135000006.21583.7601%101.561465.3536%1.3536%
PrimeNet2715.957061.9718%340000160000005.39895.2488%11.355963.9679%1.9960%
GPU7227595.345764.0000%500000170000006.32993.7843%101.675665.3623%1.3623%
Difference---+175000-3500000-0.1141-0.0242%-0.1141-0.0087%-0.0087%

Known prime factors:
No known factors for M80254403

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-12-19T22:19:12BruceDesk667500013500000---6.216--3.760%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-12-01T11:50:00Architects Cubedm1_28264265--0.047--
2011-01-14T11:12:00runeskubuntu3265266--0.093--
2011-03-18T06:24:00ANONYMOUS111266267--0.186--
2011-04-28T05:19:00TheataDT-1267268--0.372--
2013-03-25T08:29:00timc995dl580_g5268269--0.745--
2013-04-17T09:19:00Raelmezzanino269270--1.490--
2013-07-13T23:32:00Six Blue Boxesebaycoord270271--2.980--
2016-03-13T19:45:10DerekManual testing271272--5.959--
2016-10-04T17:55:11Judge HaleManual testing272273--11.92--
2016-10-17T01:56:19tigreroarsManual testing273274--23.84--
2016-10-17T01:56:19tigreroarsManual testing274275--47.67--


ECM factoring results:
No ECM results for M80254403


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2017-06-13T13:05:56curtiscjckl3f04566lC460C16F54439B__250.4


PRP results:
No PRP results for M80254403


P-1 factor-bounds graph:
B1 = 675000, B2 = 13500000 (P-1 stage 2)
B1 = 675000 (P-1 stage 1)
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TF factor-bounds graph:
275
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Last modified: 2017-06-13T13:05:56+00:00