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What is the Least Common Multiple of 17938 and 17947?

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 17938 and 17947 is 321933286.

LCM(17938,17947) = 321933286

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Least Common Multiple of 17938 and 17947 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17938 and 17947, than apply into the LCM equation.

GCF(17938,17947) = 1
LCM(17938,17947) = ( 17938 × 17947) / 1
LCM(17938,17947) = 321933286 / 1
LCM(17938,17947) = 321933286

Least Common Multiple (LCM) of 17938 and 17947 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17938 and 17947. First we will calculate the prime factors of 17938 and 17947.

Prime Factorization of 17938

Prime factors of 17938 are 2, 8969. Prime factorization of 17938 in exponential form is:

17938 = 21 × 89691

Prime Factorization of 17947

Prime factors of 17947 are 131, 137. Prime factorization of 17947 in exponential form is:

17947 = 1311 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 17938 and 17947.

LCM(17938,17947) = 21 × 89691 × 1311 × 1371
LCM(17938,17947) = 321933286