is 2 105530027 - 1
has 31767704 decimal digits
takes 432.820 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-
PRPC822547951CBFB00verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276145.020364.4737%7760002333700011.92493.9996%156.945165.8946%1.4209%
PrimeNet2729.062262.5000%450000220000009.65865.3992%18.720864.5247%2.0247%
GPU72276145.020364.4737%7000002400000011.71233.9681%156.732665.8834%1.4097%
Difference---+76000-663000+0.2125+0.0315%+0.2125+0.0112%+0.0112%

Known prime factors:
No known factors for M105530027

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-08-15T07:42:32tottenhoffi7-8700k-017760002333700012---11.92--4.000%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-20T20:17:00QubycServer2263264--0.019--
2010-09-01T12:18:00sasaki3value264265--0.035--
2012-05-13T01:39:00Damian SilvestreDamiNotebook265266--0.071--
2014-06-16T14:34:00Lem_ShattuckManual testing266267--0.142--
2014-06-16T15:13:00Lem_ShattuckManual testing267268--0.283--
2014-10-16T20:29:00AK76Manual testing268269--0.566--
2014-10-24T15:56:00shaugeManual testing269270--1.133--
2014-10-24T15:56:00shaugeManual testing270271--2.266--
2015-01-23T18:36:00ANONYMOUSManual testing271272--4.532--
2019-12-24T01:47:03mnd9Manual testing272273--9.064--
2020-04-02T16:24:30SRBaseManual testing273274--18.13--
2021-03-28T21:29:13TheJudgerManual testing274275--36.26--
2021-03-28T21:29:13TheJudgerManual testing275276--72.51--


ECM factoring results:
No ECM results for M105530027


Lucas-Lehmer results:
No L-L results for M105530027


PRP results:
dateuseridcompidcofactorsres64PRP
2021-08-18T15:24:53Ben Deloi-014d5c9165865cecdC822547951CBFB00no


P-1 factor-bounds graph:
B1 = 776000, B2 = 23337000 (P-1 stage 2)
B1 = 776000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-08-18T15:24:53+00:00