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What is the Least Common Multiple of 4636 and 4647?

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 4636 and 4647 is 21543492.

LCM(4636,4647) = 21543492

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Least Common Multiple of 4636 and 4647 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4636 and 4647, than apply into the LCM equation.

GCF(4636,4647) = 1
LCM(4636,4647) = ( 4636 × 4647) / 1
LCM(4636,4647) = 21543492 / 1
LCM(4636,4647) = 21543492

Least Common Multiple (LCM) of 4636 and 4647 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4636 and 4647. First we will calculate the prime factors of 4636 and 4647.

Prime Factorization of 4636

Prime factors of 4636 are 2, 19, 61. Prime factorization of 4636 in exponential form is:

4636 = 22 × 191 × 611

Prime Factorization of 4647

Prime factors of 4647 are 3, 1549. Prime factorization of 4647 in exponential form is:

4647 = 31 × 15491

Now multiplying the highest exponent prime factors to calculate the LCM of 4636 and 4647.

LCM(4636,4647) = 22 × 191 × 611 × 31 × 15491
LCM(4636,4647) = 21543492