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What is the Least Common Multiple of 43719 and 43731?

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 43719 and 43731 is 637291863.

LCM(43719,43731) = 637291863

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Least Common Multiple of 43719 and 43731 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43719 and 43731, than apply into the LCM equation.

GCF(43719,43731) = 3
LCM(43719,43731) = ( 43719 × 43731) / 3
LCM(43719,43731) = 1911875589 / 3
LCM(43719,43731) = 637291863

Least Common Multiple (LCM) of 43719 and 43731 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43719 and 43731. First we will calculate the prime factors of 43719 and 43731.

Prime Factorization of 43719

Prime factors of 43719 are 3, 13, 19, 59. Prime factorization of 43719 in exponential form is:

43719 = 31 × 131 × 191 × 591

Prime Factorization of 43731

Prime factors of 43731 are 3, 43, 113. Prime factorization of 43731 in exponential form is:

43731 = 32 × 431 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 43719 and 43731.

LCM(43719,43731) = 32 × 131 × 191 × 591 × 431 × 1131
LCM(43719,43731) = 637291863