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What is the Least Common Multiple of 87394 and 87408?

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 87394 and 87408 is 3819467376.

LCM(87394,87408) = 3819467376

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Least Common Multiple of 87394 and 87408 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87394 and 87408, than apply into the LCM equation.

GCF(87394,87408) = 2
LCM(87394,87408) = ( 87394 × 87408) / 2
LCM(87394,87408) = 7638934752 / 2
LCM(87394,87408) = 3819467376

Least Common Multiple (LCM) of 87394 and 87408 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87394 and 87408. First we will calculate the prime factors of 87394 and 87408.

Prime Factorization of 87394

Prime factors of 87394 are 2, 37, 1181. Prime factorization of 87394 in exponential form is:

87394 = 21 × 371 × 11811

Prime Factorization of 87408

Prime factors of 87408 are 2, 3, 607. Prime factorization of 87408 in exponential form is:

87408 = 24 × 32 × 6071

Now multiplying the highest exponent prime factors to calculate the LCM of 87394 and 87408.

LCM(87394,87408) = 24 × 371 × 11811 × 32 × 6071
LCM(87394,87408) = 3819467376