is 2 63329429 - 1
has 19064058 decimal digits
takes 148.766 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-LD4E06CA134E117__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27460.412164.8649%55500099900003.64133.6960%64.053566.1634%1.2986%
PrimeNet2703.773162.8571%260000120000003.06435.1562%6.837464.7723%1.9151%
GPU7227460.412164.8649%400000140000003.88633.7859%64.298466.1950%1.3302%
Difference---+155000-4010000-0.2450-0.0899%-0.2450-0.0316%-0.0316%

Known prime factors:
No known factors for M63329429

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-06-13T14:52:00tscsvn5550009990000---3.641--3.696%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-11-17T00:00:00ANONYMOUSv4_computers21250--2.36842e-6--
2003-07-30T00:00:00ANONYMOUSv4_computers21259--0.001--
2016-02-23T17:18:45Mark RoseManual testing259263--0.024--
2009-02-18T20:01:00Wojciech Florekarmada2263264--0.031--
2009-02-26T08:52:00Son Johansonjohandesktop264265--0.059--
2009-02-27T07:22:00Sturle Sundeaalto.ifi265266--0.118--
2009-02-28T05:35:00Sturle Sundeaalto.ifi266267--0.236--
2009-03-01T01:46:00Sturle Sundeaalto.ifi267268--0.472--
2009-10-26T04:31:00ANONYMOUS268269--0.944--
2011-12-22T23:23:00ANONYMOUS269270--1.888--
2013-03-06T17:30:00ChuckManual testing270271--3.776--
2013-03-06T17:30:00ChuckManual testing271272--7.552--
2013-03-06T17:30:00ChuckManual testing272273--15.10--
2013-05-12T18:08:00GrunwalderGIMPManual testing273274--30.21--


ECM factoring results:
No ECM results for M63329429


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2014-07-22T01:50:00curtischum115--13lD4E06CA134E117__148.8


PRP results:
No PRP results for M63329429


P-1 factor-bounds graph:
B1 = 555000, B2 = 9990000 (P-1 stage 2)
B1 = 555000 (P-1 stage 1)
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107
TF factor-bounds graph:
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Last modified: 2016-02-23T17:18:45+00:00