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What is the Least Common Multiple of 4505 and 4513?

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 4505 and 4513 is 20331065.

LCM(4505,4513) = 20331065

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Least Common Multiple of 4505 and 4513 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4505 and 4513, than apply into the LCM equation.

GCF(4505,4513) = 1
LCM(4505,4513) = ( 4505 × 4513) / 1
LCM(4505,4513) = 20331065 / 1
LCM(4505,4513) = 20331065

Least Common Multiple (LCM) of 4505 and 4513 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4505 and 4513. First we will calculate the prime factors of 4505 and 4513.

Prime Factorization of 4505

Prime factors of 4505 are 5, 17, 53. Prime factorization of 4505 in exponential form is:

4505 = 51 × 171 × 531

Prime Factorization of 4513

Prime factors of 4513 are 4513. Prime factorization of 4513 in exponential form is:

4513 = 45131

Now multiplying the highest exponent prime factors to calculate the LCM of 4505 and 4513.

LCM(4505,4513) = 51 × 171 × 531 × 45131
LCM(4505,4513) = 20331065