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What is the Least Common Multiple of 87664 and 87675?

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 87664 and 87675 is 7685941200.

LCM(87664,87675) = 7685941200

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Least Common Multiple of 87664 and 87675 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87664 and 87675, than apply into the LCM equation.

GCF(87664,87675) = 1
LCM(87664,87675) = ( 87664 × 87675) / 1
LCM(87664,87675) = 7685941200 / 1
LCM(87664,87675) = 7685941200

Least Common Multiple (LCM) of 87664 and 87675 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87664 and 87675. First we will calculate the prime factors of 87664 and 87675.

Prime Factorization of 87664

Prime factors of 87664 are 2, 5479. Prime factorization of 87664 in exponential form is:

87664 = 24 × 54791

Prime Factorization of 87675

Prime factors of 87675 are 3, 5, 7, 167. Prime factorization of 87675 in exponential form is:

87675 = 31 × 52 × 71 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 87664 and 87675.

LCM(87664,87675) = 24 × 54791 × 31 × 52 × 71 × 1671
LCM(87664,87675) = 7685941200