is 2 4800599 - 1
has 1445125 decimal digits
takes 0.632 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
Actual2676.189665.6716 %2600001677507301.79187.5557 %7.981468.2654 %
Target2651.519764.6154 %3200032500000.03962.3222 %1.559365.4371 %
Difference+2+4.6699+1.0563 %+228000+164500730+1.7522+5.2335%+6.4221+2.8283 %

Known prime factors (2 factors, 78.5 bits, 0.00163559% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
480059921986743431031.034229
229
-12296.255e-112.562e-64.368e-6
48005991968610147488071547.48420503797
3 × 47 × 145417
2014-03-06471454174.106e-60.00150.0028

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2022-09-27USAFSS6917th_Scty_Sq260000167750730
skipped known factor: 2198674343
skipped known factor: 196861014748807
--2.1499.060%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2014-03-06TJAOIManual testing??
47.484
15


ECM factoring results:
Total ECM effort:0.595 GHz-days
Estimated T-Level:0.577
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.595


Lucas-Lehmer results:
No L-L results for M4800599


PRP results:
dateuseridcompidcofactorsres64
2017-11-20Oliver KruseGTX-0
2198674343
196861014748807
46F30471459A9317
2018-01-06kkmrkkblmbrbkc4.xlarge
2198674343
196861014748807
46F30471459A9317


CERT results:
No CERT results for M4800599


P-1 factor-bounds graph:
B1 = 260000, B2 = 167750730 (P-1 stage 2)
B1 = 260000 (P-1 stage 1)
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100
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107
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109
TF factor-bounds graph:
this exponent TF target: 65
TF double-checked to: 67
ECM T-Level=0.58 ~= -15-bit
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Last modified: 2024-03-13T02:15:48+00:00