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What is the Least Common Multiple of 47718 and 47728?

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 47718 and 47728 is 1138742352.

LCM(47718,47728) = 1138742352

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Least Common Multiple of 47718 and 47728 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47718 and 47728, than apply into the LCM equation.

GCF(47718,47728) = 2
LCM(47718,47728) = ( 47718 × 47728) / 2
LCM(47718,47728) = 2277484704 / 2
LCM(47718,47728) = 1138742352

Least Common Multiple (LCM) of 47718 and 47728 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47718 and 47728. First we will calculate the prime factors of 47718 and 47728.

Prime Factorization of 47718

Prime factors of 47718 are 2, 3, 11, 241. Prime factorization of 47718 in exponential form is:

47718 = 21 × 32 × 111 × 2411

Prime Factorization of 47728

Prime factors of 47728 are 2, 19, 157. Prime factorization of 47728 in exponential form is:

47728 = 24 × 191 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 47718 and 47728.

LCM(47718,47728) = 24 × 32 × 111 × 2411 × 191 × 1571
LCM(47718,47728) = 1138742352