is 2 5060777 - 1
has 1523446 decimal digits
takes 0.701 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L2AACD89C545DE9B3double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2675.871465.6716 %3300001788715502.02147.9332 %7.892868.3950 %
Target2651.441664.6154 %3400035000000.04482.4209 %1.486465.4720 %
Difference+2+4.4298+1.0563 %+296000+175371550+1.9766+5.5122%+6.4064+2.9229 %

Known prime factors (1 factor, 65.0 bits, 0.00128367% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5060777359786982361462759432064.9643554661491323
33151 × 107226373
2014-06-07331511072263730.70331.18052.1930

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2006-01-15Jossv4_computers5000050000--0.0100.962%
2009-07-18USAFSSP4_26006000010650006--0.0233.015%
2023-04-15Kevin_9611Factor_1330000178871550
skipped known factor: 35978698236146275943
--2.3039.469%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1998-11-14ANONYMOUSv4_computers212610.030
2008-12-28Sturle Sundeakerman.ifi2612620.061
2009-08-08GrunwalderGIMPManual testing212630.315


ECM factoring results:
Total ECM effort:0.817 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
10.422
50000500000030.395


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-12-06ANONYMOUSv4_computers2167114232B3FF0A0.701
2000-05-05ANONYMOUSv4_computers2AACD89C545DE9B30.701


PRP results:
dateuseridcompidcofactorsres64
2017-09-20kkmrkkblmbrbkManual testing
35978698236146275943
57D457F8CB22B2DC
2018-04-27ATHec2-PRPCFDC
35978698236146275943
57D457F8CB22B2DC


CERT results:
No CERT results for M5060777


P-1 factor-bounds graph:
B1 = 330000, B2 = 178871550 (P-1 stage 2)
B1 = 330000 (P-1 stage 1)
B1 = 60000, B2 = 1065000 (P-1 stage 2)
B1 = 60000 (P-1 stage 1)
B1 = 50000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
108
109
TF factor-bounds graph:
263
262
261
this exponent TF target: 65
TF double-checked to: 67
ECM T-Level=0.58 ~= -15-bit
250
260
270
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Last modified: 2024-02-29T14:28:04+00:00