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What is the Least Common Multiple of 4499 and 4509?

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 4499 and 4509 is 20285991.

LCM(4499,4509) = 20285991

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Least Common Multiple of 4499 and 4509 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4499 and 4509, than apply into the LCM equation.

GCF(4499,4509) = 1
LCM(4499,4509) = ( 4499 × 4509) / 1
LCM(4499,4509) = 20285991 / 1
LCM(4499,4509) = 20285991

Least Common Multiple (LCM) of 4499 and 4509 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4499 and 4509. First we will calculate the prime factors of 4499 and 4509.

Prime Factorization of 4499

Prime factors of 4499 are 11, 409. Prime factorization of 4499 in exponential form is:

4499 = 111 × 4091

Prime Factorization of 4509

Prime factors of 4509 are 3, 167. Prime factorization of 4509 in exponential form is:

4509 = 33 × 1671

Now multiplying the highest exponent prime factors to calculate the LCM of 4499 and 4509.

LCM(4499,4509) = 111 × 4091 × 33 × 1671
LCM(4499,4509) = 20285991