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What is the Least Common Multiple of 72446 and 72456?

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 72446 and 72456 is 2624573688.

LCM(72446,72456) = 2624573688

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Least Common Multiple of 72446 and 72456 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72446 and 72456, than apply into the LCM equation.

GCF(72446,72456) = 2
LCM(72446,72456) = ( 72446 × 72456) / 2
LCM(72446,72456) = 5249147376 / 2
LCM(72446,72456) = 2624573688

Least Common Multiple (LCM) of 72446 and 72456 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72446 and 72456. First we will calculate the prime factors of 72446 and 72456.

Prime Factorization of 72446

Prime factors of 72446 are 2, 11, 37, 89. Prime factorization of 72446 in exponential form is:

72446 = 21 × 111 × 371 × 891

Prime Factorization of 72456

Prime factors of 72456 are 2, 3, 3019. Prime factorization of 72456 in exponential form is:

72456 = 23 × 31 × 30191

Now multiplying the highest exponent prime factors to calculate the LCM of 72446 and 72456.

LCM(72446,72456) = 23 × 111 × 371 × 891 × 31 × 30191
LCM(72446,72456) = 2624573688