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What is the Least Common Multiple of 72646 and 72663?

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 72646 and 72663 is 5278676298.

LCM(72646,72663) = 5278676298

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Least Common Multiple of 72646 and 72663 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72646 and 72663, than apply into the LCM equation.

GCF(72646,72663) = 1
LCM(72646,72663) = ( 72646 × 72663) / 1
LCM(72646,72663) = 5278676298 / 1
LCM(72646,72663) = 5278676298

Least Common Multiple (LCM) of 72646 and 72663 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72646 and 72663. First we will calculate the prime factors of 72646 and 72663.

Prime Factorization of 72646

Prime factors of 72646 are 2, 7, 5189. Prime factorization of 72646 in exponential form is:

72646 = 21 × 71 × 51891

Prime Factorization of 72663

Prime factors of 72663 are 3, 53, 457. Prime factorization of 72663 in exponential form is:

72663 = 31 × 531 × 4571

Now multiplying the highest exponent prime factors to calculate the LCM of 72646 and 72663.

LCM(72646,72663) = 21 × 71 × 51891 × 31 × 531 × 4571
LCM(72646,72663) = 5278676298