What is the Least Common Multiple of 45215 and 45225?

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 45215 and 45225 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45215 and 45225, than apply into the LCM equation.

GCF(45215,45225) = 5
LCM(45215,45225) = ( 45215 × 45225) / 5
LCM(45215,45225) = 2044848375 / 5
LCM(45215,45225) = 408969675

Least Common Multiple (LCM) of 45215 and 45225 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 45215 and 45225. First we will calculate the prime factors of 45215 and 45225.

Prime Factorization of 45215

Prime Factorization of 45225

Now multiplying the highest exponent prime factors to calculate the LCM of 45215 and 45225.

LCM(45215,45225) = 5² × 9043¹ × 3³ × 67¹
LCM(45215,45225) = 408969675