is 2 94246931 - 1
has 28371154 decimal digits
takes 341.383 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
Actual27440.594163.5135 %8750008750004.59572.0135 %45.189864.2482 %
Target27581.190064.0000 %60000011000000034.45684.1533 %115.646865.4952 %
Difference-1-40.5959-0.4865 %+275000-109125000-29.8611-2.1398 %-70.4570-1.2470 %

Known prime factors (1 factor, 81.8 bits, 0.00008683% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
9424693143074556866677612485909132581.83322851967915367776
25 × 107 × 5209 × 20149 × 63589
2019-08-2920149635899,128.40.11830.2154

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-08-29Ryan PropperManual testing87500087500012581.8334.5961.801%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-04Architects Cubedm1_f22642650.040
2014-02-01Carsten KossendeyManual testing2652680.555
2014-02-16gucsecho32682690.634
2014-10-17shaugeManual testing2692713.806
2018-10-05FredrikManual testing27127315.22
2019-08-06ixfd64Manual testing27327420.30


ECM factoring results:
No ECM results for M94246931


Lucas-Lehmer results:
No L-L results for M94246931


PRP results:
No PRP results for M94246931


CERT results:
No CERT results for M94246931


P-1 factor-bounds graph:
B1 = 875000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
274
273
271
269
268
265
this exponent TF target: 75
TF double-checked to: 67
250
260
270
280
290
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00