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What is the Least Common Multiple of 40383 and 40389?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 40383 and 40389 is 543676329.

LCM(40383,40389) = 543676329

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Least Common Multiple of 40383 and 40389 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40383 and 40389, than apply into the LCM equation.

GCF(40383,40389) = 3
LCM(40383,40389) = ( 40383 × 40389) / 3
LCM(40383,40389) = 1631028987 / 3
LCM(40383,40389) = 543676329

Least Common Multiple (LCM) of 40383 and 40389 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40383 and 40389. First we will calculate the prime factors of 40383 and 40389.

Prime Factorization of 40383

Prime factors of 40383 are 3, 7, 641. Prime factorization of 40383 in exponential form is:

40383 = 32 × 71 × 6411

Prime Factorization of 40389

Prime factors of 40389 are 3, 13463. Prime factorization of 40389 in exponential form is:

40389 = 31 × 134631

Now multiplying the highest exponent prime factors to calculate the LCM of 40383 and 40389.

LCM(40383,40389) = 32 × 71 × 6411 × 134631
LCM(40383,40389) = 543676329