What is the Least Common Multiple of 31200 and 31208?

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 of 31200 and 31208 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 31208, than apply into the LCM equation.

GCF(31200,31208) = 8
LCM(31200,31208) = ( 31200 × 31208) / 8
LCM(31200,31208) = 973689600 / 8
LCM(31200,31208) = 121711200

Least Common Multiple (LCM) of 31200 and 31208 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31200 and 31208. First we will calculate the prime factors of 31200 and 31208.

Prime Factorization of 31200

Prime Factorization of 31208

Now multiplying the highest exponent prime factors to calculate the LCM of 31200 and 31208.

LCM(31200,31208) = 2⁵ × 3¹ × 5² × 13¹ × 47¹ × 83¹
LCM(31200,31208) = 121711200