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What is the Least Common Multiple of 28389 and 28404?

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 28389 and 28404 is 268787052.

LCM(28389,28404) = 268787052

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Least Common Multiple of 28389 and 28404 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28389 and 28404, than apply into the LCM equation.

GCF(28389,28404) = 3
LCM(28389,28404) = ( 28389 × 28404) / 3
LCM(28389,28404) = 806361156 / 3
LCM(28389,28404) = 268787052

Least Common Multiple (LCM) of 28389 and 28404 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28389 and 28404. First we will calculate the prime factors of 28389 and 28404.

Prime Factorization of 28389

Prime factors of 28389 are 3, 9463. Prime factorization of 28389 in exponential form is:

28389 = 31 × 94631

Prime Factorization of 28404

Prime factors of 28404 are 2, 3, 263. Prime factorization of 28404 in exponential form is:

28404 = 22 × 33 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 28389 and 28404.

LCM(28389,28404) = 33 × 94631 × 22 × 2631
LCM(28389,28404) = 268787052