What is the Least Common Multiple of 9220 and 9240?

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 9220 and 9240 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9220 and 9240, than apply into the LCM equation.

GCF(9220,9240) = 20
LCM(9220,9240) = ( 9220 × 9240) / 20
LCM(9220,9240) = 85192800 / 20
LCM(9220,9240) = 4259640

Least Common Multiple (LCM) of 9220 and 9240 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9220 and 9240. First we will calculate the prime factors of 9220 and 9240.

Prime Factorization of 9220

Prime Factorization of 9240

Now multiplying the highest exponent prime factors to calculate the LCM of 9220 and 9240.

LCM(9220,9240) = 2³ × 5¹ × 461¹ × 3¹ × 7¹ × 11¹
LCM(9220,9240) = 4259640