is 2 449 - 1
has 136 decimal digits
takes 0.000 GHz-days to do one PRP test
Has been fully factored.
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 PRP tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP09D0112A6DC04A00PRP-tested
Cofactor is a certified prime

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actualunknown----0.00000.0000%
Target2440.005279.5455%500500000.00000.4627%0.005279.6401%
Difference-44-0.0052-79.5455%-500-500000.0000-0.4627%-0.0052-79.6401%

Known prime factors (5 factors, 449.0 bits, 100.00000000% known):
Remaining cofactor is a certified-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4491256303720.2611399
1399		-113994.053e-101.138e-92.099e-9
44968711974868411342.6447651667580
22 × 3 × 5 × 127527793		-51275277930.00140.00010.0002
44935786206164683069815032271.6003985100909207468799
3 × 7 × 4481 × 42349187672899		-4481423491876728992,125,07734.01363.528
44952638573376805118944194716850490915936118.664586175650075780834567869898112371
586175650075780834567869898112371		-15861756500757808345678698981123713.222e+144.708e+208.793e+20
449
hide decimal representation
89396693392545895668303801721053258296972567022618106513441
59195.832

11 Composite Factors:
P-1 results:
No P-1 results for M449


Trial Factoring results:
No TF results for M449


ECM factoring results:
No ECM results for M449


Lucas-Lehmer results:
No L-L results for M449


PRP results:
dateuseridcompidcofactorsres64PRP
2018-01-24Luke_Richardswork-laptop09D0112A6DC04A00no


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
109
1010
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1012
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1020
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1033
TF factor-bounds graph:
this exponent TF target: 44
TF double-checked to: 67.9
250
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2100
2110
2120
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Last modified: 2023-10-02T12:12:48+00:00