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What is the Least Common Multiple of 8608 and 8628?

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 8608 and 8628 is 18567456.

LCM(8608,8628) = 18567456

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Least Common Multiple of 8608 and 8628 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8608 and 8628, than apply into the LCM equation.

GCF(8608,8628) = 4
LCM(8608,8628) = ( 8608 × 8628) / 4
LCM(8608,8628) = 74269824 / 4
LCM(8608,8628) = 18567456

Least Common Multiple (LCM) of 8608 and 8628 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8608 and 8628. First we will calculate the prime factors of 8608 and 8628.

Prime Factorization of 8608

Prime factors of 8608 are 2, 269. Prime factorization of 8608 in exponential form is:

8608 = 25 × 2691

Prime Factorization of 8628

Prime factors of 8628 are 2, 3, 719. Prime factorization of 8628 in exponential form is:

8628 = 22 × 31 × 7191

Now multiplying the highest exponent prime factors to calculate the LCM of 8608 and 8628.

LCM(8608,8628) = 25 × 2691 × 31 × 7191
LCM(8608,8628) = 18567456