is 2 61106503 - 1
has 18394891 decimal digits
takes 143.544 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
Actual27331.303464.3836 %----31.303464.3836 %
Target27462.609864.8649 %4000006500000013.35073.7149 %75.960566.1701 %
Difference-1-31.3063-0.4813 %-400000-65000000-13.3507-3.7149 %-44.6571-1.7865 %

Known prime factors (1 factor, 73.3 bits, 0.00011996% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
61106503116586172672238109251932373.30495395880101532
22 × 71 × 193153 × 1739041
2013-04-14193153173904144.9370.94481.3390

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2013-04-14NesowaHost2373.3043.8280.000%


Trial Factoring results:
575859606162636465666768697071727374
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2003-10-08Gordon Spencev4_computers212600.001
2004-04-09ANONYMOUSv4_computers212620.005
2022-03-29LordJuliusManual testing262263
2009-09-09Architects Cubedm1_tt2632640.032
2009-10-01raymondfserver-232642650.061
2009-10-03raymondfserver-232652660.122
2009-10-06raymondfserver-232662670.245
2009-10-09raymondfserver-232672680.489
2009-10-13raymondfserver-232682690.978
2011-10-31Bio1ogicsManual testing2692701.957
2012-08-25sikafarmi_rendering_farmManual testing2702713.913
2013-01-29Kyle AskineManual testing27127323.48


ECM factoring results:
No ECM results for M61106503


Lucas-Lehmer results:
No L-L results for M61106503


PRP results:
No PRP results for M61106503


CERT results:
No CERT results for M61106503


P-1 factor-bounds graph:
104
105
106
104
105
106
107
TF factor-bounds graph:
273
271
270
269
268
267
266
265
264
263
262
260
this exponent TF target: 74
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00