is 2 3321928171 - 1
has 1000000023 decimal digits
takes 703,410.601 GHz-days to do one PRP test
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual292301,925.298665.2174%----301,925.298665.2174%0.0000%
PrimeNet2879,435.165563.2184%11000000100000000019,921.43405.6012%29,356.599565.2786%2.0602%
GPU72291150,962.649364.8352%17000000100000000021,663.27044.2997%172,625.919766.3471%1.5120%
Difference+1+150,962.6493+0.3822%-17000000-1000000000-21,663.2704-4.2997%+129,299.3789-1.1298%-1.1298%

Known prime factors:
No known factors for M3321928171

P-1 results:
No P-1 results for M3321928171


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2021-10-19T09:15:53Caleb BManual testing264265--0.001--
2021-09-29T04:45:44Caleb BManual testing265272--0.286--
2021-09-29T04:45:44Caleb BManual testing272273--0.288--
2021-09-29T04:45:44Caleb BManual testing273274--0.576--
2012-11-15T16:43:15Never Odd Or Even274275--1.152--
2008-04-21T04:00:00Andres Aitsen275276--2.304--
2009-06-09T04:00:00Andres Aitsen276277--4.607--
2022-03-01T14:22:37Krieseldodo-rtx2080super277278--9.214--
2022-03-02T12:27:16firejugglerGTX1660277278--9.214--
2010-06-04T03:48:00Luigi MorelliOBD278279-----
2010-06-24T12:59:00Luigi MorelliOBD279280-----
2010-06-24T12:59:00Luigi MorelliOBD280281-----
2011-01-16T15:26:00lindeeManual testing281282-----
2011-06-25T13:38:00lavalampOBD282283-----
2013-11-05T19:55:00283284--589.7--
2018-08-17T02:58:00Jack EnrightManual testing284285--1,179--
2018-09-16T14:22:00Jack EnrightManual testing285286--2,359--
2019-06-22T14:28:50lavalampexosphere286287--4,718--
2019-06-27T19:13:43lavalampexosphere287288--9,435--
2019-07-09T05:09:46lavalampexosphere288289--18,870--
2019-12-09T13:23:29lavalampexosphere289290--37,741--
2021-02-23T05:17:26johnny_jack3060Ti290291--75,481--
2022-02-05T23:16:14johnny_jack3060Ti291292--150,963--


ECM factoring results:
No ECM results for M3321928171


Lucas-Lehmer results:
No L-L results for M3321928171


PRP results:
No PRP results for M3321928171


TF factor-bounds graph:
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Last modified: 2022-03-02T12:27:16+00:00