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What is the Least Common Multiple of 56690 and 56700?

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 56690 and 56700 is 321432300.

LCM(56690,56700) = 321432300

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Least Common Multiple of 56690 and 56700 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56690 and 56700, than apply into the LCM equation.

GCF(56690,56700) = 10
LCM(56690,56700) = ( 56690 × 56700) / 10
LCM(56690,56700) = 3214323000 / 10
LCM(56690,56700) = 321432300

Least Common Multiple (LCM) of 56690 and 56700 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56690 and 56700. First we will calculate the prime factors of 56690 and 56700.

Prime Factorization of 56690

Prime factors of 56690 are 2, 5, 5669. Prime factorization of 56690 in exponential form is:

56690 = 21 × 51 × 56691

Prime Factorization of 56700

Prime factors of 56700 are 2, 3, 5, 7. Prime factorization of 56700 in exponential form is:

56700 = 22 × 34 × 52 × 71

Now multiplying the highest exponent prime factors to calculate the LCM of 56690 and 56700.

LCM(56690,56700) = 22 × 52 × 56691 × 34 × 71
LCM(56690,56700) = 321432300