is 2 12322859 - 1
has 3709551 decimal digits
takes 4.744 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
Actual2672.411364.1791 %4000002662705508.30989.4146 %10.721067.5515 %
Target2684.836964.7059 %90000110000000.38213.0838 %5.219065.7943 %
Difference-1-2.4257-0.5268 %+310000+255270550+7.9277+6.3308%+5.5020+1.7572 %

Known prime factors (2 factors, 131.6 bits, 0.00106772% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
12322859394331489928.55516
24
-16162.912e-128.932e-61.818e-5
123228591027513121801062978742724371176932103.019416913445898010753325476
22 × 3 × 61 × 151 × 2297 × 8681 × 149969 × 1261321
2022-02-2614996912613211.215e+100.11750.1704

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2022-01-29nordisweet16_30.8b8400000400000
skipped known factor: 394331489
--0.2232.149%
2022-02-26nordisweet16_30.8b10400000266270550232103.01910.348.639%


Trial Factoring results:
575859606162636465666768
No TF results for M12322859


ECM factoring results:
No ECM results for M12322859


Lucas-Lehmer results:
No L-L results for M12322859


PRP results:
dateuseridcompidcofactorsres64
2022-03-06RichD0Linux-7
394331489
10275131218010629787427243711769
DEA36FB3189CC0C8


CERT results:
dateuseridcompid
2022-03-06Section 31factor


P-1 factor-bounds graph:
B1 = 400000, B2 = 266270550 (P-1 stage 2)
B1 = 400000 (P-1 stage 1)
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TF factor-bounds graph:
this exponent TF target: 68
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00