is 2 58188989 - 1
has 17516632 decimal digits
takes 123.328 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
Actual27332.873064.3836%53000098050003.18183.9976%36.054765.8074%1.4238%
PrimeNet2692.051762.3188%260000110000002.59735.5431%4.649064.4075%2.0887%
GPU7227332.873064.3836%400000130000003.33904.0790%36.211965.8364%1.4528%
Difference---+130000-3195000-0.1572-0.0814%-0.1572-0.0290%-0.0290%

Known prime factors (1 factor, 85.5 bits, 0.00014699% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
58188989558494848167779709187644732685.530479897363543968524
22 × 3 × 72 × 11 × 17 × 37 × 150611 × 783197
2012-10-09150611783197161,5920.56880.9420

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-10-09T00:29:00Jwb52zClay53000098050002685.5303.182246.76.3643.998%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-08T00:00:00ANONYMOUSv4_computers21253--2.06211e-5--
1999-12-23T00:00:00ANONYMOUSv4_computers21253--2.06211e-5--
2000-02-09T00:00:00ANONYMOUSv4_computers21254--4.12423e-5--
2000-06-28T00:00:00ANONYMOUSv4_computers21256--0.000--
2000-06-29T00:00:00ANONYMOUSv4_computers21256--0.000--
2001-07-17T00:00:00ANONYMOUSv4_computers21257--0.000--
2002-06-29T00:00:00ANONYMOUSv4_computers21258--0.001--
2003-07-30T00:00:00ANONYMOUSv4_computers21259--0.001--
2003-11-28T00:00:00ANONYMOUSv4_computers21261--0.005--
2008-10-28T03:23:00KYOJI_KAMEICBDC105C4263264--0.034--
2008-11-06T02:11:00WileECoyotev4_computers21269--2.052--
2008-11-18T00:00:00WileECoyotev4_computers21269--2.052--
2011-06-26T19:27:00shaugeManual testing269270--2.055--
2011-06-26T19:27:00shaugeManual testing270271--4.110--
2012-05-29T20:04:00Kyle AskineManual testing271272--8.219--
2012-09-21T00:35:00Kevin JagetManual testing272273--16.44--


ECM factoring results:
No ECM results for M58188989


Lucas-Lehmer results:
No L-L results for M58188989


PRP results:
No PRP results for M58188989


P-1 factor-bounds graph:
B1 = 530000, B2 = 9805000 (P-1 stage 2)
B1 = 530000 (P-1 stage 1)
104
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107
TF factor-bounds graph:
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2100
Last modified: 2012-10-09T00:29:26+00:00