is 2 112991353 - 1
has 34013787 decimal digits
takes 495.906 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
Actual277270.889464.9351%7890002283400012.66463.6586%283.554066.2179%1.2829%
PrimeNet2728.463862.5000%4500002400000011.02915.5249%19.492864.5718%2.0718%
GPU72276135.443964.4737%7000002600000013.22684.0610%148.670765.9164%1.4427%
Difference+1+135.4455+0.4614%+89000-3166000-0.5622-0.4024%+134.8833+0.3015%-0.1598%

Known prime factors (1 factor, 127.4 bits, 0.00011277% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11299135322844780957868039886656962109791662687139127.4251010908372690609337453325393395
5 × 7 × 13 × 17 × 29 × 607 × 58067 × 254413 × 512927 × 979807
2021-11-175129279798071.502e+93.42616.6432

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-11-17T07:14:04ixfd64dt-lab-2678900022834000639127.42512.66991.825.333.659%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-05T21:11:00sasaki3mate_ma2263264--0.017--
2010-09-29T05:20:00RichardUNKNOWN264265--0.033--
2012-06-03T17:19:00Andrew Bdell_xps_17265266--0.066--
2013-10-08T04:56:00ANONYMOUSManual testing266267--0.132--
2013-10-12T07:19:00Cow_tippingManual testing267268--0.265--
2013-10-19T13:24:00RobishManual testing268269--0.529--
2015-02-07T18:56:00JakeWManual testing269270--1.058--
2015-02-15T20:30:00JakeWManual testing270271--2.116--
2019-01-06T22:10:36Niels_Mache_NextcloudManual testing271272--4.233--
2020-03-29T21:27:46tscManual testing272273--8.465--
2020-05-25T23:40:22AhrotahnteeManual testing273274--16.93--
2020-09-23T11:35:04LOBESGPU72_TF274275--33.86--
2020-09-23T12:06:01ktonyGPU72_TF275276--67.72--
2020-12-10T08:34:34Knut Andreas BrungotManual testing276277--135.4--


ECM factoring results:
No ECM results for M112991353


Lucas-Lehmer results:
No L-L results for M112991353


PRP results:
No PRP results for M112991353


P-1 factor-bounds graph:
B1 = 789000, B2 = 22834000 (P-1 stage 2)
B1 = 789000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-11-17T07:14:05+00:00