What is the Least Common Multiple of 31668 and 31675?

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 31668 and 31675 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31668 and 31675, than apply into the LCM equation.

GCF(31668,31675) = 7
LCM(31668,31675) = ( 31668 × 31675) / 7
LCM(31668,31675) = 1003083900 / 7
LCM(31668,31675) = 143297700

Least Common Multiple (LCM) of 31668 and 31675 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31668 and 31675. First we will calculate the prime factors of 31668 and 31675.

Prime Factorization of 31668

Prime Factorization of 31675

Now multiplying the highest exponent prime factors to calculate the LCM of 31668 and 31675.

LCM(31668,31675) = 2² × 3¹ × 7¹ × 13¹ × 29¹ × 5² × 181¹
LCM(31668,31675) = 143297700