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What is the Least Common Multiple of 40173 and 40188?

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 40173 and 40188 is 538157508.

LCM(40173,40188) = 538157508

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Least Common Multiple of 40173 and 40188 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40173 and 40188, than apply into the LCM equation.

GCF(40173,40188) = 3
LCM(40173,40188) = ( 40173 × 40188) / 3
LCM(40173,40188) = 1614472524 / 3
LCM(40173,40188) = 538157508

Least Common Multiple (LCM) of 40173 and 40188 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40173 and 40188. First we will calculate the prime factors of 40173 and 40188.

Prime Factorization of 40173

Prime factors of 40173 are 3, 7, 1913. Prime factorization of 40173 in exponential form is:

40173 = 31 × 71 × 19131

Prime Factorization of 40188

Prime factors of 40188 are 2, 3, 17, 197. Prime factorization of 40188 in exponential form is:

40188 = 22 × 31 × 171 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 40173 and 40188.

LCM(40173,40188) = 31 × 71 × 19131 × 22 × 171 × 1971
LCM(40173,40188) = 538157508