What is the Least Common Multiple of 7392 and 7400?

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 7392 and 7400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7392 and 7400, than apply into the LCM equation.

GCF(7392,7400) = 8
LCM(7392,7400) = ( 7392 × 7400) / 8
LCM(7392,7400) = 54700800 / 8
LCM(7392,7400) = 6837600

Least Common Multiple (LCM) of 7392 and 7400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7392 and 7400. First we will calculate the prime factors of 7392 and 7400.

Prime Factorization of 7392

Prime Factorization of 7400

Now multiplying the highest exponent prime factors to calculate the LCM of 7392 and 7400.

LCM(7392,7400) = 2⁵ × 3¹ × 7¹ × 11¹ × 5² × 37¹
LCM(7392,7400) = 6837600