What is the Least Common Multiple of 3138 and 3158?

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 3138 and 3158 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3138 and 3158, than apply into the LCM equation.

GCF(3138,3158) = 2
LCM(3138,3158) = ( 3138 × 3158) / 2
LCM(3138,3158) = 9909804 / 2
LCM(3138,3158) = 4954902

Least Common Multiple (LCM) of 3138 and 3158 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3138 and 3158. First we will calculate the prime factors of 3138 and 3158.

Prime Factorization of 3138

Prime Factorization of 3158

Now multiplying the highest exponent prime factors to calculate the LCM of 3138 and 3158.

LCM(3138,3158) = 2¹ × 3¹ × 523¹ × 1579¹
LCM(3138,3158) = 4954902