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What is the Least Common Multiple of 31200 and 31206?

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 31200 and 31206 is 162271200.

LCM(31200,31206) = 162271200

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Least Common Multiple of 31200 and 31206 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31200 and 31206, than apply into the LCM equation.

GCF(31200,31206) = 6
LCM(31200,31206) = ( 31200 × 31206) / 6
LCM(31200,31206) = 973627200 / 6
LCM(31200,31206) = 162271200

Least Common Multiple (LCM) of 31200 and 31206 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31200 and 31206. First we will calculate the prime factors of 31200 and 31206.

Prime Factorization of 31200

Prime factors of 31200 are 2, 3, 5, 13. Prime factorization of 31200 in exponential form is:

31200 = 25 × 31 × 52 × 131

Prime Factorization of 31206

Prime factors of 31206 are 2, 3, 7, 743. Prime factorization of 31206 in exponential form is:

31206 = 21 × 31 × 71 × 7431

Now multiplying the highest exponent prime factors to calculate the LCM of 31200 and 31206.

LCM(31200,31206) = 25 × 31 × 52 × 131 × 71 × 7431
LCM(31200,31206) = 162271200