is 2 89582399 - 1
has 26966990 decimal digits
takes 302.009 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-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual276170.837164.4737 %7850007850003.83741.5246 %174.674465.0153 %
Target27585.417564.0000 %60000010000000029.40654.0548 %114.824065.4597 %
Difference+1+85.4195+0.4737 %+185000-99215000-25.5691-2.5302 %+59.8504-0.4444 %

Known prime factors (1 factor, 83.7 bits, 0.00009346% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
89582399160010150593903226471946972683.72689308922500447452
22 × 32 × 11 × 19 × 233 × 379 × 3631 × 37019
2019-01-1536313701931,8640.02660.0361

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-01-15tServoManual testing78500078500012683.7263.9271.709%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-11-10Architects Cubedm1_252642650.042
2013-06-22David CampeauManual testing2652660.083
2013-07-24Norman LeyManual testing2662670.167
2013-07-25processinfoManual testing2672691.001
2013-07-27processinfoManual testing2692701.335
2013-08-18SMoffatManual testing2702712.669
2017-09-06monstManual testing27127437.37
2018-10-25tServoManual testing274276128.1


ECM factoring results:
No ECM results for M89582399


Lucas-Lehmer results:
No L-L results for M89582399


PRP results:
No PRP results for M89582399


CERT results:
No CERT results for M89582399


P-1 factor-bounds graph:
B1 = 785000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
TF factor-bounds graph:
276
274
271
270
269
267
266
265
this exponent TF target: 75
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00