is 2 6056753 - 1
has 1823265 decimal digits
takes 1.073 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L3AED2F9346D79569double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2674.905965.6716 %250002250000.00921.2780 %4.915166.1104 %
Target2662.438365.1515 %4000045000000.07272.4209 %2.511165.9952 %
Difference+1+2.4676+0.5201 %-15000-4275000-0.0635-1.1429 %+2.4041+0.1152 %

Known prime factors (1 factor, 90.2 bits, 0.00148874% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
605675313920081874678869686038322092890.169114913732446071927368
23 × 7 × 11 × 13 × 61 × 15199 × 67759 × 228421
2013-01-246775922842171,758,2730.01970.0354

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2001-05-06ANONYMOUSv4_computers25000225000--0.0091.475%
2013-01-24Squeeky_SquirrelP4_26002890.1690.0580.000%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1998-04-27ANONYMOUSv4_computers212620.051


ECM factoring results:
Total ECM effort:0.808 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.808


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-12-13netconxv4_computers3AED2F9346D795691.073
2001-05-27ANONYMOUSv4_computers3AED2F9346D795691.073


PRP results:
dateuseridcompidcofactorsres64
2017-09-20kkmrkkblmbrbkManual testing
1392008187467886968603832209
9E92039928F45339
2018-09-16rucio
1392008187467886968603832209
9E92039928F45339


CERT results:
No CERT results for M6056753


P-1 factor-bounds graph:
B1 = 25000, B2 = 225000 (P-1 stage 2)
B1 = 25000 (P-1 stage 1)
103
104
105
103
104
105
106
TF factor-bounds graph:
262
this exponent TF target: 66
TF double-checked to: 67
ECM T-Level=0.58 ~= -15-bit
250
260
270
280
290
2100
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Last modified: 2024-03-13T02:15:48+00:00