What is the Least Common Multiple of 45225 and 45240?

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 45225 and 45240 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45225 and 45240, than apply into the LCM equation.

GCF(45225,45240) = 15
LCM(45225,45240) = ( 45225 × 45240) / 15
LCM(45225,45240) = 2045979000 / 15
LCM(45225,45240) = 136398600

Least Common Multiple (LCM) of 45225 and 45240 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45225 and 45240. First we will calculate the prime factors of 45225 and 45240.

Prime Factorization of 45225

Prime Factorization of 45240

Now multiplying the highest exponent prime factors to calculate the LCM of 45225 and 45240.

LCM(45225,45240) = 3³ × 5² × 67¹ × 2³ × 13¹ × 29¹
LCM(45225,45240) = 136398600