is 2 90061093 - 1
has 27111091 decimal digits
takes 303.623 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
Actual276169.929064.4737 %725000139562507.06803.5148 %176.997065.7224 %
Target27584.963564.0000 %60000010000000029.40654.0574 %114.370065.4607 %
Difference+1+84.9655+0.4737 %+125000-86043750-22.3385-0.5426 %+62.6270+0.2617 %

Known prime factors (1 factor, 83.5 bits, 0.00009276% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
90061093140348294866420714440594312683.53777918383061607255
3 × 5 × 7829 × 72313 × 9175421
2018-12-2572313917542138,4882.77794.5642

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2018-02-25c10ck3rManual testing1000010000--0.0530.091%
2018-12-25ATHec2-P-17250001395625022683.5377.0683.872%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-01-24Carsten Kossendeymother2652660.083
2010-02-24Carsten Kossendeymother2662670.166
2010-04-14Carsten Kossendeymother2672680.332
2010-08-03Carsten Kossendeymother2682690.664
2011-01-13Carsten KossendeyManual testing2692701.328
2014-09-08Bending Unit No. 22Bender2702712.655
2015-01-01Carsten KossendeyManual testing2712725.310
2016-07-06Carsten KossendeyManual testing27227310.62
2017-11-19Carsten KossendeyManual testing27327421.24
2018-11-19TheJudgerManual testing274276127.4


ECM factoring results:
No ECM results for M90061093


Lucas-Lehmer results:
No L-L results for M90061093


PRP results:
No PRP results for M90061093


CERT results:
No CERT results for M90061093


P-1 factor-bounds graph:
B1 = 725000, B2 = 13956250 (P-1 stage 2)
B1 = 725000 (P-1 stage 1)
B1 = 10000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
108
TF factor-bounds graph:
276
274
273
272
271
270
269
268
267
266
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