is 2 2484197 - 1
has 747818 decimal digits
takes 0.172 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
Actual26711.961267.1642 %1000000649361790035.677112.5623 %47.638271.2891 %
Target2630.642565.0794 %110008000000.00541.3803 %0.647965.5614 %
Difference+4+11.3187+2.0848 %+989000+6492817900+35.6716+11.1820%+46.9903+5.7277 %

Known prime factors (2 factors, 107.6 bits, 0.00433191% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
248419719873577824.2444
22
-449.005e-134.023e-78.187e-7
2484197124894383244813975790736712683.3692513777756852898055
5 × 13 × 23 × 31 × 1447283 × 37477493
2018-03-031447283374774931,074,4530.34300.3836

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2022-08-18USAFSS6917th_Scty_Sq224000203668920
skipped known factor: 19873577
--1.23410.107%
2023-03-21Denial140i5-840010000006493617900
skipped known factor: 19873577
--39.7316.638%


Trial Factoring results:
5758596061626364656667
No TF results for M2484197


ECM factoring results:
Total ECM effort:5.734 GHz-days
Estimated T-Level:21.044
DigitsB1CompleteFacMiss
20110002.23710.676%
25500000.20981.157%
302500000.01398.681%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.276
50000500000010.092
500007000000505.367


Lucas-Lehmer results:
No L-L results for M2484197


PRP results:
dateuseridcompidcofactorsres64
2017-10-14Oliver KruseGTX-1
19873577
3B53855A8AB8E879
2017-11-29ATHec2-1xh
19873577
3B53855A8AB8E879
2018-03-04Daniel BambergerHome_laptop
19873577
12489438324481397579073671
3B53855A8AB8E879


CERT results:
No CERT results for M2484197


P-1 factor-bounds graph:
B1 = 1000000, B2 = 6493617900 (P-1 stage 2)
B1 = 224000, B2 = 203668920 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
B1 = 224000 (P-1 stage 1)
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107
100
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104
105
106
107
108
109
1010
TF factor-bounds graph:
this exponent TF target: 63
TF double-checked to: 67
ECM T-Level=21.04 ~= 53-bit
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Last modified: 2024-03-13T02:15:48+00:00