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What is the Least Common Multiple of 4491 and 4510?

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 4491 and 4510 is 20254410.

LCM(4491,4510) = 20254410

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Least Common Multiple of 4491 and 4510 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4491 and 4510, than apply into the LCM equation.

GCF(4491,4510) = 1
LCM(4491,4510) = ( 4491 × 4510) / 1
LCM(4491,4510) = 20254410 / 1
LCM(4491,4510) = 20254410

Least Common Multiple (LCM) of 4491 and 4510 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4491 and 4510. First we will calculate the prime factors of 4491 and 4510.

Prime Factorization of 4491

Prime factors of 4491 are 3, 499. Prime factorization of 4491 in exponential form is:

4491 = 32 × 4991

Prime Factorization of 4510

Prime factors of 4510 are 2, 5, 11, 41. Prime factorization of 4510 in exponential form is:

4510 = 21 × 51 × 111 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 4491 and 4510.

LCM(4491,4510) = 32 × 4991 × 21 × 51 × 111 × 411
LCM(4491,4510) = 20254410