is 2 36081173 - 1
has 10861516 decimal digits
takes 45.101 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LD7A48BA4CD2554F3double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27113.250163.3803 %500000100000001.84444.5691 %15.094565.0535 %
Target27113.250163.3803 %260000400000004.39564.0213 %17.645764.8529 %
Difference---+240000-30000000-2.5512+0.5478%-2.5512+0.2006 %

Known prime factors (1 factor, 83.7 bits, 0.00023210% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
36081173162054789033244903353633592683.745224569734793883923
827 × 9199 × 22039 × 1339409
2015-08-23220391339409102,0390.17000.2470

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2007-11-17ANONYMOUSv4_computers625000625000--1.1332.143%
2015-08-23HBendtzManual testing500000100000001222683.7451.9434.569%


Trial Factoring results:
575859606162636465666768697071
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2006-03-01Architects Cubedv4_computers212670.414
2012-04-04Serge BatalovManual testing2672680.828
2013-04-21Torben K.Manual testing2682691.657
2014-06-26Architects CubedManual testing2692719.94


ECM factoring results:
No ECM results for M36081173


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2007-11-17ANONYMOUSv4_computersD7A48BA4CD2554F345.10


PRP results:
No PRP results for M36081173


CERT results:
No CERT results for M36081173


P-1 factor-bounds graph:
B1 = 500000, B2 = 10000000 (P-1 stage 2)
B1 = 625000 (P-1 stage 1)
B1 = 500000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
TF factor-bounds graph:
271
269
268
267
this exponent TF target: 71
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00