What is the Least Common Multiple of 23616 and 23620?

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 23616 and 23620 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23616 and 23620, than apply into the LCM equation.

GCF(23616,23620) = 4
LCM(23616,23620) = ( 23616 × 23620) / 4
LCM(23616,23620) = 557809920 / 4
LCM(23616,23620) = 139452480

Least Common Multiple (LCM) of 23616 and 23620 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23616 and 23620. First we will calculate the prime factors of 23616 and 23620.

Prime Factorization of 23616

Prime Factorization of 23620

Now multiplying the highest exponent prime factors to calculate the LCM of 23616 and 23620.

LCM(23616,23620) = 2⁶ × 3² × 41¹ × 5¹ × 1181¹
LCM(23616,23620) = 139452480