What is the Least Common Multiple of 3200 and 3216?

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 3200 and 3216 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3200 and 3216, than apply into the LCM equation.

GCF(3200,3216) = 16
LCM(3200,3216) = ( 3200 × 3216) / 16
LCM(3200,3216) = 10291200 / 16
LCM(3200,3216) = 643200

Least Common Multiple (LCM) of 3200 and 3216 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3200 and 3216. First we will calculate the prime factors of 3200 and 3216.

Prime Factorization of 3200

Prime Factorization of 3216

Now multiplying the highest exponent prime factors to calculate the LCM of 3200 and 3216.

LCM(3200,3216) = 2⁷ × 5² × 3¹ × 67¹
LCM(3200,3216) = 643200