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What is the Least Common Multiple of 28481 and 28491?

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 28481 and 28491 is 811452171.

LCM(28481,28491) = 811452171

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Least Common Multiple of 28481 and 28491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28481 and 28491, than apply into the LCM equation.

GCF(28481,28491) = 1
LCM(28481,28491) = ( 28481 × 28491) / 1
LCM(28481,28491) = 811452171 / 1
LCM(28481,28491) = 811452171

Least Common Multiple (LCM) of 28481 and 28491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28481 and 28491. First we will calculate the prime factors of 28481 and 28491.

Prime Factorization of 28481

Prime factors of 28481 are 19, 1499. Prime factorization of 28481 in exponential form is:

28481 = 191 × 14991

Prime Factorization of 28491

Prime factors of 28491 are 3, 9497. Prime factorization of 28491 in exponential form is:

28491 = 31 × 94971

Now multiplying the highest exponent prime factors to calculate the LCM of 28481 and 28491.

LCM(28481,28491) = 191 × 14991 × 31 × 94971
LCM(28481,28491) = 811452171