is 2 46699987 - 1
has 14058097 decimal digits
takes 81.076 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LA3D87088CD0391E9double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27481.924364.8649%50500054287501.94663.0725%83.870965.9444%
Target27220.478263.8889%3400008800000012.87874.1508%33.357065.3878%
Difference+2+61.4461+0.9760%+165000-82571250-10.9321-1.0783%+50.5140+0.5566%

Known prime factors:
No known factors for M46699987

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2009-02-14lindedLKWXV5Z5050005428750---1.947--3.072%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-03-03Team Prime Ribv4_computers21268--1.276--
2014-09-02VictordeHollanderManual testing268269--1.280--
2015-06-25Sid & AndyManual testing269270--2.560--
2015-07-01Mark RoseManual testing270271--5.121--
2015-11-20ANONYMOUSManual testing271272--10.24--
2017-10-21linamentManual testing272273--20.48--
2019-03-12schoenbornManual testing273274--40.96--


ECM factoring results:
No ECM results for M46699987


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2009-04-18lindedLKWXV5ZA3D87088CD0391E981.08
2019-03-14SyntonyKilderkinA3D87088CD0391E981.08


PRP results:
No PRP results for M46699987


P-1 factor-bounds graph:
B1 = 505000, B2 = 5428750 (P-1 stage 2)
B1 = 505000 (P-1 stage 1)
104
105
106
104
105
106
107
TF factor-bounds graph:
274
273
272
271
270
269
268
this exponent TF target: 72
TF double-checked to: 67.9
250
260
270
280
Last modified: 2023-06-05T21:50:05+00:00