What is the Least Common Multiple of 8620 and 8635?

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 8620 and 8635 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8620 and 8635, than apply into the LCM equation.

GCF(8620,8635) = 5
LCM(8620,8635) = ( 8620 × 8635) / 5
LCM(8620,8635) = 74433700 / 5
LCM(8620,8635) = 14886740

Least Common Multiple (LCM) of 8620 and 8635 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8620 and 8635. First we will calculate the prime factors of 8620 and 8635.

Prime Factorization of 8620

Prime Factorization of 8635

Now multiplying the highest exponent prime factors to calculate the LCM of 8620 and 8635.

LCM(8620,8635) = 2² × 5¹ × 431¹ × 11¹ × 157¹
LCM(8620,8635) = 14886740