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What is the Least Common Multiple of 43944 and 43953?

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 43944 and 43953 is 643823544.

LCM(43944,43953) = 643823544

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Least Common Multiple of 43944 and 43953 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43944 and 43953, than apply into the LCM equation.

GCF(43944,43953) = 3
LCM(43944,43953) = ( 43944 × 43953) / 3
LCM(43944,43953) = 1931470632 / 3
LCM(43944,43953) = 643823544

Least Common Multiple (LCM) of 43944 and 43953 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43944 and 43953. First we will calculate the prime factors of 43944 and 43953.

Prime Factorization of 43944

Prime factors of 43944 are 2, 3, 1831. Prime factorization of 43944 in exponential form is:

43944 = 23 × 31 × 18311

Prime Factorization of 43953

Prime factors of 43953 are 3, 7, 13, 23. Prime factorization of 43953 in exponential form is:

43953 = 31 × 72 × 131 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 43944 and 43953.

LCM(43944,43953) = 23 × 31 × 18311 × 72 × 131 × 231
LCM(43944,43953) = 643823544