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What is the Least Common Multiple of 4394 and 4408?

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 4394 and 4408 is 9684376.

LCM(4394,4408) = 9684376

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Least Common Multiple of 4394 and 4408 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4394 and 4408, than apply into the LCM equation.

GCF(4394,4408) = 2
LCM(4394,4408) = ( 4394 × 4408) / 2
LCM(4394,4408) = 19368752 / 2
LCM(4394,4408) = 9684376

Least Common Multiple (LCM) of 4394 and 4408 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4394 and 4408. First we will calculate the prime factors of 4394 and 4408.

Prime Factorization of 4394

Prime factors of 4394 are 2, 13. Prime factorization of 4394 in exponential form is:

4394 = 21 × 133

Prime Factorization of 4408

Prime factors of 4408 are 2, 19, 29. Prime factorization of 4408 in exponential form is:

4408 = 23 × 191 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 4394 and 4408.

LCM(4394,4408) = 23 × 133 × 191 × 291
LCM(4394,4408) = 9684376