What is the Least Common Multiple of 31091 and 31108?

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 31091 and 31108 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31091 and 31108, than apply into the LCM equation.

GCF(31091,31108) = 1
LCM(31091,31108) = ( 31091 × 31108) / 1
LCM(31091,31108) = 967178828 / 1
LCM(31091,31108) = 967178828

Least Common Multiple (LCM) of 31091 and 31108 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31091 and 31108. First we will calculate the prime factors of 31091 and 31108.

Prime Factorization of 31091

Prime Factorization of 31108

Now multiplying the highest exponent prime factors to calculate the LCM of 31091 and 31108.

LCM(31091,31108) = 31091¹ × 2² × 7¹ × 11¹ × 101¹
LCM(31091,31108) = 967178828