is 2 77349829 - 1
has 23284619 decimal digits
takes 218.084 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-LE8B378A3CB6976__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27598.926064.0000%655000129362505.41323.6971%104.339265.3310%1.3310%
PrimeNet2703.089261.4286%340000160000004.87805.7528%7.967363.6475%2.2190%
GPU7227449.461963.5135%500000180000005.94204.1988%55.403865.0455%1.5320%
Difference+1+49.4641+0.4865%+155000-5063750-0.5287-0.5017%+48.9354+0.2854%+0.2854%

Known prime factors:
No known factors for M77349829

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-02-26T23:23:32Brian Beuningc6100a2655000129362506---5.413--3.697%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-08-17T00:00:00ANONYMOUSv4_computers21253--1.55129e-5--
2003-12-02T00:00:00ANONYMOUSv4_computers21261--0.004--
2010-12-10T11:08:00Simon DennisDella264265--0.048--
2010-12-10T22:16:00ANONYMOUS265266--0.097--
2011-03-11T23:20:00eon_blue_apocalypsecon-cloud0-cc0266267--0.193--
2011-03-12T20:57:00ANONYMOUS267268--0.386--
2011-03-16T00:25:00The Magic ForestDreamRez1268269--0.773--
2012-02-13T22:58:00ANONYMOUSv4_computers21271--6.181--
2015-06-13T07:45:00ChuckManual testing271272--6.183--
2016-02-19T00:40:18AirSquirrelsManual testing272273--12.37--
2016-02-19T01:30:17AirSquirrelsManual testing273274--24.73--
2016-02-19T03:05:18AirSquirrelsManual testing274275--49.46--


ECM factoring results:
No ECM results for M77349829


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2017-02-08T17:50:34billvaubillvau_win7E8B378A3CB6976__218.1


PRP results:
No PRP results for M77349829


P-1 factor-bounds graph:
B1 = 655000, B2 = 12936250 (P-1 stage 2)
B1 = 655000 (P-1 stage 1)
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108
TF factor-bounds graph:
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2100
Last modified: 2017-02-08T17:50:34+00:00