is 2 108035033 - 1
has 32521786 decimal digits
takes 443.094 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRPB3FC2B4E465843__verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276141.657764.4737%9000001822500010.96583.8916%152.623565.8562%1.3825%
PrimeNet2728.852162.5000%450000220000009.65865.4142%18.510664.5303%2.0303%
GPU72276141.657764.4737%7000002400000011.71233.9794%153.370065.8874%1.4137%
Difference---+200000-5775000-0.7466-0.0878%-0.7466-0.0312%-0.0312%

Known prime factors:
No known factors for M108035033

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-12-14T07:38:37mes15-001Number1b900000182250006---10.97--3.892%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-26T08:22:00lindedskynet-node051263264--0.018--
2010-09-09T17:36:00Donna NoblePH2-940-v3-MVB264265--0.035--
2012-05-20T02:40:00OS1corner3265266--0.069--
2013-09-23T21:41:00shengManual testing266267--0.138--
2013-09-25T23:56:00SMoffatManual testing267268--0.277--
2013-09-27T18:18:00forrest-lumpkinMac_mini268269--0.553--
2014-11-07T19:55:00AK76Manual testing269270--1.107--
2014-11-19T01:16:00KAMCOBILLPC01270271--2.213--
2019-01-21T21:14:30Niels_Mache_NextcloudManual testing271272--4.427--
2019-12-08T18:08:42Niels_Mache_NextcloudManual testing272273--8.854--
2019-12-08T18:08:42Niels_Mache_NextcloudManual testing273274--17.71--
2021-04-17T22:09:14TheJudgerManual testing274275--35.41--
2021-04-17T22:09:14TheJudgerManual testing275276--70.83--


ECM factoring results:
No ECM results for M108035033


Lucas-Lehmer results:
No L-L results for M108035033


PRP results:
dateuseridcompidcofactorsres64PRP
2021-12-15T20:50:23Ben Deloi-0af38bdd6946d3efdB3FC2B4E465843__no


P-1 factor-bounds graph:
B1 = 900000, B2 = 18225000 (P-1 stage 2)
B1 = 900000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-12-15T20:50:23+00:00