is 2 5027299 - 1
has 1513368 decimal digits
takes 0.697 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
Actual2675.910565.6716 %5000010000000.02052.2307 %5.931066.4374 %
Target2651.451264.6154 %3400035000000.04482.4182 %1.496065.4711 %
Difference+2+4.4593+1.0563 %+16000-2500000-0.0243-0.1875 %+4.4350+0.9663 %

Known prime factors (2 factors, 68.7 bits, 0.00136663% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
502729967265260631032.647669
3 × 223
-32231.303e-103.012e-64.532e-6
5027299715083009771136.0577112
23 × 7 × 127
2008-09-0881272.803e-92.911e-63.272e-6

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2023-05-11This -Anonymous-Manual testing500001000000
skipped known factor: 6726526063
skipped known factor: 71508300977
--0.0202.866%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-09-08Will EdgingtonManual testing??
36.057
11


ECM factoring results:
Total ECM effort:0.632 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.632


Lucas-Lehmer results:
No L-L results for M5027299


PRP results:
dateuseridcompidcofactorsres64
2017-11-22kkmrkkblmbrbkc4.xlarge
6726526063
71508300977
FA3C57DE0B420DB0
2018-04-24ATHec2-PRPCFDC
6726526063
71508300977
FA3C57DE0B420DB0


CERT results:
No CERT results for M5027299


P-1 factor-bounds graph:
B1 = 50000, B2 = 1000000 (P-1 stage 2)
B1 = 50000 (P-1 stage 1)
100
101
102
103
104
105
100
101
102
103
104
105
106
TF factor-bounds graph:
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: 2024-03-13T02:15:48+00:00