What is the Least Common Multiple of 3131 and 3151?

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 3131 and 3151 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3131 and 3151, than apply into the LCM equation.

GCF(3131,3151) = 1
LCM(3131,3151) = ( 3131 × 3151) / 1
LCM(3131,3151) = 9865781 / 1
LCM(3131,3151) = 9865781

Least Common Multiple (LCM) of 3131 and 3151 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3131 and 3151. First we will calculate the prime factors of 3131 and 3151.

Prime Factorization of 3131

Prime Factorization of 3151

Now multiplying the highest exponent prime factors to calculate the LCM of 3131 and 3151.

LCM(3131,3151) = 31¹ × 101¹ × 23¹ × 137¹
LCM(3131,3151) = 9865781