is 2 69599389 - 1
has 20951504 decimal digits
takes 186.082 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27454.969863.5135%680000151300005.68824.1666%60.658165.0337%
Target27454.969863.5135%45000012800000028.68503.9960%83.654964.9715%
Difference---+230000-112870000-22.9968+0.1706%-22.9968+0.0622%

Known prime factors (1 factor, 73.4 bits, 0.00010550% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69599389126980767687631591462872373.42791222616686787
3217 × 28356424211
2014-06-2032172835642421127.7635,989.311,186

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2014-03-30TheJudgerManual testing68000015130000---5.688--4.167%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-10-22Jocelyn Larouchev4_computers21254--3.44809e-5--
2001-05-13Jocelyn Larouchev4_computers21256--0.000--
2003-09-29ANONYMOUSv4_computers21262--0.009--
2022-05-21LordJuliusManual testing262264--0.042--
2010-02-22ferdyPC-PIETER264265--0.054--
2010-02-24Sturle Sundegoose.ifi265266--0.107--
2010-03-03ANONYMOUSCore2QuadQ6600266267--0.215--
2010-03-06Dougaldougal267268--0.429--
2010-03-08Dougaldougal268269--0.859--
2013-05-10Per Jessenbeaufort3269270--1.718--
2014-02-03garoManual testing270271--3.436--
2014-02-03garoManual testing271272--6.872--
2014-03-05Jerry HallettManual testing272273--13.74--
2014-06-20brilongManual testing27327473.427230.280377.20.567


ECM factoring results:
No ECM results for M69599389


Lucas-Lehmer results:
No L-L results for M69599389


PRP results:
No PRP results for M69599389


P-1 factor-bounds graph:
B1 = 680000, B2 = 15130000 (P-1 stage 2)
B1 = 680000 (P-1 stage 1)
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1011
TF factor-bounds graph:
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this exponent TF target: 74
TF double-checked to: 67.8
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Last modified: 2023-06-05T21:50:05+00:00