What is the Least Common Multiple of 7320 and 7324?

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 7320 and 7324 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7320 and 7324, than apply into the LCM equation.

GCF(7320,7324) = 4
LCM(7320,7324) = ( 7320 × 7324) / 4
LCM(7320,7324) = 53611680 / 4
LCM(7320,7324) = 13402920

Least Common Multiple (LCM) of 7320 and 7324 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7320 and 7324. First we will calculate the prime factors of 7320 and 7324.

Prime Factorization of 7320

Prime Factorization of 7324

Now multiplying the highest exponent prime factors to calculate the LCM of 7320 and 7324.

LCM(7320,7324) = 2³ × 3¹ × 5¹ × 61¹ × 1831¹
LCM(7320,7324) = 13402920