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What is the Least Common Multiple of 56725 and 56740?

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 56725 and 56740 is 643715300.

LCM(56725,56740) = 643715300

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Least Common Multiple of 56725 and 56740 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56725 and 56740, than apply into the LCM equation.

GCF(56725,56740) = 5
LCM(56725,56740) = ( 56725 × 56740) / 5
LCM(56725,56740) = 3218576500 / 5
LCM(56725,56740) = 643715300

Least Common Multiple (LCM) of 56725 and 56740 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56725 and 56740. First we will calculate the prime factors of 56725 and 56740.

Prime Factorization of 56725

Prime factors of 56725 are 5, 2269. Prime factorization of 56725 in exponential form is:

56725 = 52 × 22691

Prime Factorization of 56740

Prime factors of 56740 are 2, 5, 2837. Prime factorization of 56740 in exponential form is:

56740 = 22 × 51 × 28371

Now multiplying the highest exponent prime factors to calculate the LCM of 56725 and 56740.

LCM(56725,56740) = 52 × 22691 × 22 × 28371
LCM(56725,56740) = 643715300