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What is the Least Common Multiple of 28688 and 28697?

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 28688 and 28697 is 823259536.

LCM(28688,28697) = 823259536

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Least Common Multiple of 28688 and 28697 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28688 and 28697, than apply into the LCM equation.

GCF(28688,28697) = 1
LCM(28688,28697) = ( 28688 × 28697) / 1
LCM(28688,28697) = 823259536 / 1
LCM(28688,28697) = 823259536

Least Common Multiple (LCM) of 28688 and 28697 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28688 and 28697. First we will calculate the prime factors of 28688 and 28697.

Prime Factorization of 28688

Prime factors of 28688 are 2, 11, 163. Prime factorization of 28688 in exponential form is:

28688 = 24 × 111 × 1631

Prime Factorization of 28697

Prime factors of 28697 are 28697. Prime factorization of 28697 in exponential form is:

28697 = 286971

Now multiplying the highest exponent prime factors to calculate the LCM of 28688 and 28697.

LCM(28688,28697) = 24 × 111 × 1631 × 286971
LCM(28688,28697) = 823259536