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What is the Least Common Multiple of 43700 and 43719?

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 43700 and 43719 is 100553700.

LCM(43700,43719) = 100553700

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Least Common Multiple of 43700 and 43719 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43700 and 43719, than apply into the LCM equation.

GCF(43700,43719) = 19
LCM(43700,43719) = ( 43700 × 43719) / 19
LCM(43700,43719) = 1910520300 / 19
LCM(43700,43719) = 100553700

Least Common Multiple (LCM) of 43700 and 43719 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43700 and 43719. First we will calculate the prime factors of 43700 and 43719.

Prime Factorization of 43700

Prime factors of 43700 are 2, 5, 19, 23. Prime factorization of 43700 in exponential form is:

43700 = 22 × 52 × 191 × 231

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

Now multiplying the highest exponent prime factors to calculate the LCM of 43700 and 43719.

LCM(43700,43719) = 22 × 52 × 191 × 231 × 31 × 131 × 591
LCM(43700,43719) = 100553700