is 2 85324777 - 1
has 25685318 decimal digits
takes 274.817 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L44AC9AFD1B7BFF__
factored
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual276179.361764.4737%582000678423900175.19216.2666%354.553866.7000%
Target27589.679864.0000%550000190000007.26313.9460%96.942965.4206%
Difference+1+89.6819+0.4737%+32000+659423900+167.9290+2.3206%+257.6108+1.2794%

Known prime factors (2 factors, 166.0 bits, 0.00019458% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
8532477722072835821404336136112812580.86912934599185301320
23 × 5 × 17 × 31 × 1213 × 505849783		2022-11-0912135058497833,627.6128.72240.40
85324777430949162707139430946256812685.156252534596549334920
23 × 5 × 3469 × 4093 × 444646469		2022-11-094093444646469149,479113.16211.31

1 Composite Factors:
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-01-16YxinityManual testing780000780000---3.643--1.509%
2022-11-09mrhss158200067842390050166.024175.2549.6350.46.267%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-11-25Architects Cubedm1_28264265--0.044--
2013-02-18E.Lechner265266--0.088--
2013-08-15RobishManual testing266267--0.175--
2013-08-16ANONYMOUSManual testing267268--0.350--
2013-08-16RobishManual testing267268--0.350--
2013-08-16RobishManual testing267268--0.350--
2013-08-16Le ComteManual testing268269--0.701--
2014-02-19SMoffatManual testing269270--1.401--
2014-08-16Ryan PropperManual testing270271--2.803--
2017-03-03ANONYMOUSManual testing271272--5.605--
2017-03-03ANONYMOUSManual testing272273--11.21--
2017-03-03ANONYMOUSManual testing273274--22.42--
2017-09-05ANONYMOUSManual testing274275--44.84--
2017-09-05ANONYMOUSManual testing275276--89.68--


ECM factoring results:
No ECM results for M85324777


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2019-03-28-Anonymous-Win1044AC9AFD1B7BFF__274.8


PRP results:
No PRP results for M85324777


P-1 factor-bounds graph:
B1 = 582000, B2 = 678423900 (P-1 stage 2)
B1 = 780000 (P-1 stage 1)
B1 = 582000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-11-09T10:19:58+00:00