is 2 1332151 - 1
has 401018 decimal digits
takes 0.051 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L7B78E1171C13F749double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual270179.372070.0000%500000150000000.07143.6259%179.443471.0878%1.0878%
PrimeNet2560.007262.5000%60001000000.00062.6061%0.007863.4773%0.9773%
GPU722600.115365.0000%5500400000.00040.9787%0.115765.3425%0.3425%
Difference+10+179.2567+5.0000%+494500+14960000+0.0710+2.6473%+179.3277+5.7453%+0.7453%

Known prime factors (2 factors, 140.0 bits, 0.01050812% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1332151418862198741371036872065.18315721273291893
3 × 13 × 8963 × 44974849
2014-03-0889634497484910.5430.13610.2534
1332151329093273265571564278712374.80112351950839866185
5 × 1901 × 10391 × 125062207
2018-08-31103911250622074,217.80.37780.7045

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1332151137844732031012164367917796687075086366037743139.984
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2003-09-21T00:00:00ANONYMOUSv4_computers15000213750---0.001--0.489%
2016-03-17T19:05:06alpertronManual testing5000001500000012---0.071--3.626%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-11-03T00:00:00ANONYMOUSv4_computers21257--0.014--
2003-06-23T00:00:00ANONYMOUSv4_computers21258--0.029--
2022-03-07T17:32:34LordJuliusManual testing258260--0.086--
2009-02-25T05:15:00Sturle Sundescarpia.ifi260261--0.115--
2022-05-30T21:59:25Magallan3sManual testing21261--0.231--
2022-05-30T21:59:25Magallan3sManual testing261262--0.231--
2022-05-30T21:59:25Magallan3sManual testing262263--0.737--
2012-09-01T16:48:00lycornManual testing261264--2.441--
2022-05-30T21:59:25Magallan3sManual testing263264--1.474--
2013-10-22T10:24:00David CampeauManual testing264265--2.805--
2022-05-30T21:59:25Magallan3sManual testing264265--2.805--
2014-02-04T13:17:00Never Odd Or EvenManual testing265266--5.610--
2014-03-08T14:38:00Never Odd Or EvenManual testing26526665.183205.0670.10310.30
2022-05-30T21:59:25Magallan3sManual testing26526665.183205.0670.10310.30
2014-02-04T13:17:00Never Odd Or EvenManual testing266267--11.22--
2014-02-04T13:17:00Never Odd Or EvenManual testing267268--22.44--
2014-02-04T13:17:00Never Odd Or EvenManual testing268269--44.88--
2014-02-04T13:17:00Never Odd Or EvenManual testing269270--89.75--


ECM factoring results:
Total ECM effort:25.144 GHz-days
Estimated T-Level:25.704
DigitsB1CompleteFacMiss
201100014.6540.000%
25500001.65119.189%
302500000.14186.866%
3510000000.01099.021%


ECM Summary

B1B2factorcurvesGHz-days
5000050000001667.746
500005000000853.966
250000350000005013.43


Lucas-Lehmer results:
No L-L results for M1332151


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-30T04:51:21Oliver KruseGTX-3
41886219874137103687
E6B87F5B073605__no
2017-10-23T21:41:23kkmrkkblmbrbkc4.xlarge
41886219874137103687
E6B87F5B073605__no
2018-08-31T10:58:37ATHwork200558
41886219874137103687
32909327326557156427871
827FAD9BEC4440__no
2018-08-31T17:54:11Oliver KruseGTX-7
41886219874137103687
32909327326557156427871
827FAD9BEC4440__no


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
B1 = 15000, B2 = 213750 (P-1 stage 2)
B1 = 15000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-05-30T21:59:25+00:00