What is the Least Common Multiple of 31139 and 31151?

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 31139 and 31151 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31139 and 31151, than apply into the LCM equation.

GCF(31139,31151) = 1
LCM(31139,31151) = ( 31139 × 31151) / 1
LCM(31139,31151) = 970010989 / 1
LCM(31139,31151) = 970010989

Least Common Multiple (LCM) of 31139 and 31151 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31139 and 31151. First we will calculate the prime factors of 31139 and 31151.

Prime Factorization of 31139

Prime Factorization of 31151

Now multiplying the highest exponent prime factors to calculate the LCM of 31139 and 31151.

LCM(31139,31151) = 31139¹ × 31151¹
LCM(31139,31151) = 970010989