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What is the Least Common Multiple of 47736 and 47742?

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 47736 and 47742 is 379835352.

LCM(47736,47742) = 379835352

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Least Common Multiple of 47736 and 47742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47736 and 47742, than apply into the LCM equation.

GCF(47736,47742) = 6
LCM(47736,47742) = ( 47736 × 47742) / 6
LCM(47736,47742) = 2279012112 / 6
LCM(47736,47742) = 379835352

Least Common Multiple (LCM) of 47736 and 47742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47736 and 47742. First we will calculate the prime factors of 47736 and 47742.

Prime Factorization of 47736

Prime factors of 47736 are 2, 3, 13, 17. Prime factorization of 47736 in exponential form is:

47736 = 23 × 33 × 131 × 171

Prime Factorization of 47742

Prime factors of 47742 are 2, 3, 73, 109. Prime factorization of 47742 in exponential form is:

47742 = 21 × 31 × 731 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 47736 and 47742.

LCM(47736,47742) = 23 × 33 × 131 × 171 × 731 × 1091
LCM(47736,47742) = 379835352