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What is the Least Common Multiple of 72644 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 72644 and 72663 is 5278530972.

LCM(72644,72663) = 5278530972

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Least Common Multiple of 72644 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 72644 and 72663, than apply into the LCM equation.

GCF(72644,72663) = 1
LCM(72644,72663) = ( 72644 × 72663) / 1
LCM(72644,72663) = 5278530972 / 1
LCM(72644,72663) = 5278530972

Least Common Multiple (LCM) of 72644 and 72663 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72644 and 72663. First we will calculate the prime factors of 72644 and 72663.

Prime Factorization of 72644

Prime factors of 72644 are 2, 11, 13, 127. Prime factorization of 72644 in exponential form is:

72644 = 22 × 111 × 131 × 1271

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 72644 and 72663.

LCM(72644,72663) = 22 × 111 × 131 × 1271 × 31 × 531 × 4571
LCM(72644,72663) = 5278530972