is 2 100111877 - 1
has 30136678 decimal digits
takes 381.816 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-
PRPDBA8804F256BF9B8verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276152.868964.4737%835000171175009.52353.7751%162.392565.8148%1.3412%
PrimeNet2729.552662.5000%400000200000008.11755.1999%17.670164.4500%1.9500%
GPU72276152.868964.4737%6500002200000010.02733.8409%162.896265.8382%1.3645%
Difference---+185000-4882500-0.5037-0.0658%-0.5037-0.0234%-0.0234%

Known prime factors:
No known factors for M100111877

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-09-07T15:29:33nranksNR-GM8350001711750012---9.52--3.775%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-08-09T00:57:00Donna NobleATH2-630-temp264265--0.037--
2011-01-27T03:51:00Craig MeyersManual testing265266--0.075--
2011-02-25T13:17:00Craig MeyersManual testing266267--0.149--
2011-04-02T07:20:00Craig MeyersManual testing267268--0.299--
2011-04-02T07:26:00Craig MeyersManual testing268269--0.597--
2011-04-02T07:39:00Craig MeyersManual testing269270--1.194--
2011-04-02T08:03:00Craig MeyersManual testing270271--2.389--
2015-03-17T01:53:00webbertManual testing271272--4.777--
2019-05-29T20:06:46ConductorManual testing272273--9.55--
2019-07-25T20:57:38Gordon BowerManual testing273274--19.11--
2019-07-25T20:57:38Gordon BowerManual testing274275--38.22--
2020-02-08T15:17:49KrieselManual testing275276--76.44--


ECM factoring results:
No ECM results for M100111877


Lucas-Lehmer results:
No L-L results for M100111877


PRP results:
dateuseridcompidcofactorsres64PRP
2020-09-30T13:08:26Ben Deloi-0c588f55b3de2fc23DBA8804F256BF9B8no


P-1 factor-bounds graph:
B1 = 835000, B2 = 17117500 (P-1 stage 2)
B1 = 835000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2020-09-30T13:08:26+00:00