is 2 84953717 - 1
has 25573618 decimal digits
takes 273.622 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
Actual276180.145164.4737 %680000134300006.41993.4343 %186.565065.6938 %
Target27590.071564.0000 %5500009500000026.60103.9439 %116.672565.4198 %
Difference+1+90.0736+0.4737 %+130000-81570000-20.1811-0.5096 %+69.8925+0.2740 %

Known prime factors (1 factor, 98.3 bits, 0.00011572% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
849537173934329420917846011125905457773098.3122315572266789601455064
23 × 11 × 13 × 139 × 337 × 929 × 24889 × 1868807
2017-12-312488918688071.267e+90.58540.8881

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2017-12-31TheJudgerManual testing680000134300001223098.3127.2203.786%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-12-08Architects Cubedm1_342642650.044
2012-08-16Carsten KossendeyManual testing2652660.088
2013-02-22Salvetayserver52662670.176
2013-12-12S00030vd032672680.352
2014-02-15CJPageMatthew2682690.704
2014-03-11nate.andersManual testing2692729.85
2016-12-23Judge HaleManual testing27227311.26
2017-05-13ANONYMOUSManual testing27327422.52
2017-07-05Sid & AndyManual testing274276135.1


ECM factoring results:
No ECM results for M84953717


Lucas-Lehmer results:
No L-L results for M84953717


PRP results:
No PRP results for M84953717


CERT results:
No CERT results for M84953717


P-1 factor-bounds graph:
B1 = 680000, B2 = 13430000 (P-1 stage 2)
B1 = 680000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
108
TF factor-bounds graph:
276
274
273
272
269
268
267
266
265
this exponent TF target: 75
TF double-checked to: 67
250
260
270
280
290
2100
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Last modified: 2024-03-13T02:15:48+00:00