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What is the Least Common Multiple of 28500 and 28508?

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 28500 and 28508 is 203119500.

LCM(28500,28508) = 203119500

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Least Common Multiple of 28500 and 28508 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28500 and 28508, than apply into the LCM equation.

GCF(28500,28508) = 4
LCM(28500,28508) = ( 28500 × 28508) / 4
LCM(28500,28508) = 812478000 / 4
LCM(28500,28508) = 203119500

Least Common Multiple (LCM) of 28500 and 28508 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28500 and 28508. First we will calculate the prime factors of 28500 and 28508.

Prime Factorization of 28500

Prime factors of 28500 are 2, 3, 5, 19. Prime factorization of 28500 in exponential form is:

28500 = 22 × 31 × 53 × 191

Prime Factorization of 28508

Prime factors of 28508 are 2, 7127. Prime factorization of 28508 in exponential form is:

28508 = 22 × 71271

Now multiplying the highest exponent prime factors to calculate the LCM of 28500 and 28508.

LCM(28500,28508) = 22 × 31 × 53 × 191 × 71271
LCM(28500,28508) = 203119500