is 2 46744637 - 1
has 14071538 decimal digits
takes 81.154 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LFD90F76D1A848B6Cdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27340.921264.3836 %1000000200000005.12334.8063 %46.044466.0954 %
Target27220.458763.8889 %340000550000008.35274.1513 %28.811465.3880 %
Difference+1+20.4625+0.4947 %+660000-35000000-3.2294+0.6550%+17.2331+0.7074 %

Known prime factors (1 factor, 91.0 bits, 0.00019464% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4674463724449927837617338497944698892890.98226152655584444198912
212 × 311 × 1801 × 4423 × 2577299
2018-10-14442325772999,952,6370.36400.6602

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2008-11-15curtiscv4_computers800000800000--2.1532.195%
2008-11-18curtiscv4_computers800000800000--2.0142.195%
2018-10-14Sid & AndySpeck1000000200000001222890.9825.1235.268%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-03-03JC_Herlesv4_computers212680.639
2014-09-22Mark RoseManual testing2682691.279
2015-07-06Architects CubedManual testing2692702.558
2015-12-01AirSquirrelsManual testing27027215.35
2017-11-22Architects CubedManual testing27227320.46


ECM factoring results:
No ECM results for M46744637


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2008-12-26curtiscgrn209--06lFD90F76D1A848B6C81.15


PRP results:
No PRP results for M46744637


CERT results:
No CERT results for M46744637


P-1 factor-bounds graph:
B1 = 1000000, B2 = 20000000 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 800000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
107
108
TF factor-bounds graph:
273
272
270
269
268
this exponent TF target: 72
TF double-checked to: 67
250
260
270
280
290
2100
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Last modified: 2024-03-13T02:15:48+00:00