What is the Least Common Multiple of 8605 and 8619?

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 8605 and 8619 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8605 and 8619, than apply into the LCM equation.

GCF(8605,8619) = 1
LCM(8605,8619) = ( 8605 × 8619) / 1
LCM(8605,8619) = 74166495 / 1
LCM(8605,8619) = 74166495

Least Common Multiple (LCM) of 8605 and 8619 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8605 and 8619. First we will calculate the prime factors of 8605 and 8619.

Prime Factorization of 8605

Prime Factorization of 8619

Now multiplying the highest exponent prime factors to calculate the LCM of 8605 and 8619.

LCM(8605,8619) = 5¹ × 1721¹ × 3¹ × 13² × 17¹
LCM(8605,8619) = 74166495