is 2 105529981 - 1
has 31767690 decimal digits
takes 432.819 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-
PRPEB05EF31707E10F5verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276145.020364.4737%8920005154800021.71784.6914%166.738166.1404%1.6667%
PrimeNet2729.062262.5000%450000220000009.65865.3992%18.720864.5247%2.0247%
GPU72276145.020364.4737%7000002400000011.71233.9681%156.732765.8834%1.4097%
Difference---+192000+27548000+10.0054+0.7233%+10.0054+0.2570%+0.2570%

Known prime factors:
No known factors for M105529981

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-08-14T08:17:05Ben Deloi-0e490991e8d0f733d89200051548000---21.72--4.691%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-20T18:10:00OS1corner263264--0.019--
2010-09-01T09:02:00ANONYMOUSZgierz_1_4264265--0.035--
2012-05-13T01:41:00carlos56amd600265266--0.071--
2014-06-16T14:34:00Lem_ShattuckManual testing266267--0.142--
2014-06-16T15:13:00Lem_ShattuckManual testing267268--0.283--
2014-10-16T19:57:00AK76Manual testing268269--0.566--
2014-10-18T22:55:00HinespC742F5B97269270--1.133--
2015-01-06T17:18:00shaugeManual testing270271--2.266--
2019-01-27T19:08:55Niels_Mache_NextcloudManual testing271272--4.532--
2019-12-24T01:47:03mnd9Manual testing272273--9.064--
2020-04-02T16:24:51SRBaseManual testing273274--18.13--
2021-03-28T21:20:03TheJudgerManual testing274275--36.26--
2021-03-28T21:20:04TheJudgerManual testing275276--72.51--


ECM factoring results:
No ECM results for M105529981


Lucas-Lehmer results:
No L-L results for M105529981


PRP results:
dateuseridcompidcofactorsres64PRP
2021-08-16T02:10:17Ben Deloi-0e490991e8d0f733dEB05EF31707E10F5no


P-1 factor-bounds graph:
B1 = 892000, B2 = 51548000 (P-1 stage 2)
B1 = 892000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-08-16T02:10:17+00:00