is 2 94891409 - 1
has 28565161 decimal digits
takes 343.718 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27580.638664.0000%8200008200004.30681.7550%84.945464.6318%0.6318%
PrimeNet2715.038261.9718%400000180000007.13725.5793%12.175464.0935%2.1217%
GPU7227580.638664.0000%650000220000009.52344.1999%90.161965.5120%1.5120%
Difference---+170000-21180000-5.2165-2.4449%-5.2165-0.8802%-0.8802%

Known prime factors (1 factor, 79.7 bits, 0.00008401% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
948914099973872677428499386939432479.7225255413942387819
7 × 199 × 2269 × 22691 × 73277
2019-09-0822691732771,714.50.13370.2425

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2019-09-09T00:49:33Jwb52zClay8200008200002479.7224.307687.48.6141.755%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-12-27T21:30:00Architects Cubedm1_05264265--0.039--
2014-01-21T10:56:00sasakiManual testing265267--0.236--
2014-05-20T09:13:00g0bManual testing267268--0.315--
2014-05-28T07:33:00g0bManual testing268269--0.630--
2014-06-12T08:15:00g0bManual testing269270--1.260--
2014-09-26T08:13:00A_SavchenkoManual testing270271--2.520--
2018-11-08T18:24:24Andrew BManual testing271272--5.040--
2019-03-18T17:09:30Niels_Mache_NextcloudManual testing272273--10.08--
2019-09-07T03:21:13Hans LoeblichManual testing273274--20.16--
2019-09-07T19:43:49CorbeauManual testing274275--40.32--


ECM factoring results:
No ECM results for M94891409


Lucas-Lehmer results:
No L-L results for M94891409


PRP results:
No PRP results for M94891409


P-1 factor-bounds graph:
B1 = 820000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
265
250
260
270
280
290
2100
Last modified: 2019-09-09T00:49:33+00:00