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What is the Least Common Multiple of 17947 and 17956?

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 17947 and 17956 is 322256332.

LCM(17947,17956) = 322256332

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Least Common Multiple of 17947 and 17956 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17947 and 17956, than apply into the LCM equation.

GCF(17947,17956) = 1
LCM(17947,17956) = ( 17947 × 17956) / 1
LCM(17947,17956) = 322256332 / 1
LCM(17947,17956) = 322256332

Least Common Multiple (LCM) of 17947 and 17956 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17947 and 17956. First we will calculate the prime factors of 17947 and 17956.

Prime Factorization of 17947

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

17947 = 1311 × 1371

Prime Factorization of 17956

Prime factors of 17956 are 2, 67. Prime factorization of 17956 in exponential form is:

17956 = 22 × 672

Now multiplying the highest exponent prime factors to calculate the LCM of 17947 and 17956.

LCM(17947,17956) = 1311 × 1371 × 22 × 672
LCM(17947,17956) = 322256332