What is the Least Common Multiple of 40191 and 40197?

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 40191 and 40197 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40191 and 40197, than apply into the LCM equation.

GCF(40191,40197) = 3
LCM(40191,40197) = ( 40191 × 40197) / 3
LCM(40191,40197) = 1615557627 / 3
LCM(40191,40197) = 538519209

Least Common Multiple (LCM) of 40191 and 40197 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40191 and 40197. First we will calculate the prime factors of 40191 and 40197.

Prime Factorization of 40191

Prime Factorization of 40197

Now multiplying the highest exponent prime factors to calculate the LCM of 40191 and 40197.

LCM(40191,40197) = 3¹ × 13397¹ × 13399¹
LCM(40191,40197) = 538519209