What is the Least Common Multiple of 31171 and 31181?

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 31171 and 31181 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31171 and 31181, than apply into the LCM equation.

GCF(31171,31181) = 1
LCM(31171,31181) = ( 31171 × 31181) / 1
LCM(31171,31181) = 971942951 / 1
LCM(31171,31181) = 971942951

Least Common Multiple (LCM) of 31171 and 31181 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31171 and 31181. First we will calculate the prime factors of 31171 and 31181.

Prime Factorization of 31171

Prime Factorization of 31181

Now multiplying the highest exponent prime factors to calculate the LCM of 31171 and 31181.

LCM(31171,31181) = 7¹ × 61¹ × 73¹ × 31181¹
LCM(31171,31181) = 971942951