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What is the Least Common Multiple of 4503 and 4518?

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 4503 and 4518 is 6781518.

LCM(4503,4518) = 6781518

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Least Common Multiple of 4503 and 4518 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4503 and 4518, than apply into the LCM equation.

GCF(4503,4518) = 3
LCM(4503,4518) = ( 4503 × 4518) / 3
LCM(4503,4518) = 20344554 / 3
LCM(4503,4518) = 6781518

Least Common Multiple (LCM) of 4503 and 4518 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4503 and 4518. First we will calculate the prime factors of 4503 and 4518.

Prime Factorization of 4503

Prime factors of 4503 are 3, 19, 79. Prime factorization of 4503 in exponential form is:

4503 = 31 × 191 × 791

Prime Factorization of 4518

Prime factors of 4518 are 2, 3, 251. Prime factorization of 4518 in exponential form is:

4518 = 21 × 32 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 4503 and 4518.

LCM(4503,4518) = 32 × 191 × 791 × 21 × 2511
LCM(4503,4518) = 6781518