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What is the Least Common Multiple of 28467 and 28485?

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 28467 and 28485 is 90098055.

LCM(28467,28485) = 90098055

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Least Common Multiple of 28467 and 28485 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28467 and 28485, than apply into the LCM equation.

GCF(28467,28485) = 9
LCM(28467,28485) = ( 28467 × 28485) / 9
LCM(28467,28485) = 810882495 / 9
LCM(28467,28485) = 90098055

Least Common Multiple (LCM) of 28467 and 28485 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28467 and 28485. First we will calculate the prime factors of 28467 and 28485.

Prime Factorization of 28467

Prime factors of 28467 are 3, 3163. Prime factorization of 28467 in exponential form is:

28467 = 32 × 31631

Prime Factorization of 28485

Prime factors of 28485 are 3, 5, 211. Prime factorization of 28485 in exponential form is:

28485 = 33 × 51 × 2111

Now multiplying the highest exponent prime factors to calculate the LCM of 28467 and 28485.

LCM(28467,28485) = 33 × 31631 × 51 × 2111
LCM(28467,28485) = 90098055