What is the Least Common Multiple of 19591 and 19597?

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 19591 and 19597 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19591 and 19597, than apply into the LCM equation.

GCF(19591,19597) = 1
LCM(19591,19597) = ( 19591 × 19597) / 1
LCM(19591,19597) = 383924827 / 1
LCM(19591,19597) = 383924827

Least Common Multiple (LCM) of 19591 and 19597 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19591 and 19597. First we will calculate the prime factors of 19591 and 19597.

Prime Factorization of 19591

Prime Factorization of 19597

Now multiplying the highest exponent prime factors to calculate the LCM of 19591 and 19597.

LCM(19591,19597) = 11¹ × 13¹ × 137¹ × 19597¹
LCM(19591,19597) = 383924827