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What is the Least Common Multiple of 70491 and 70500?

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 70491 and 70500 is 1656538500.

LCM(70491,70500) = 1656538500

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Least Common Multiple of 70491 and 70500 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70491 and 70500, than apply into the LCM equation.

GCF(70491,70500) = 3
LCM(70491,70500) = ( 70491 × 70500) / 3
LCM(70491,70500) = 4969615500 / 3
LCM(70491,70500) = 1656538500

Least Common Multiple (LCM) of 70491 and 70500 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70491 and 70500. First we will calculate the prime factors of 70491 and 70500.

Prime Factorization of 70491

Prime factors of 70491 are 3, 23497. Prime factorization of 70491 in exponential form is:

70491 = 31 × 234971

Prime Factorization of 70500

Prime factors of 70500 are 2, 3, 5, 47. Prime factorization of 70500 in exponential form is:

70500 = 22 × 31 × 53 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 70491 and 70500.

LCM(70491,70500) = 31 × 234971 × 22 × 53 × 471
LCM(70491,70500) = 1656538500