What is the Least Common Multiple of 14215 and 14220?

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 14215 and 14220 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 14215 and 14220, than apply into the LCM equation.

GCF(14215,14220) = 5
LCM(14215,14220) = ( 14215 × 14220) / 5
LCM(14215,14220) = 202137300 / 5
LCM(14215,14220) = 40427460

Least Common Multiple (LCM) of 14215 and 14220 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 14215 and 14220. First we will calculate the prime factors of 14215 and 14220.

Prime Factorization of 14215

Prime Factorization of 14220

Now multiplying the highest exponent prime factors to calculate the LCM of 14215 and 14220.

LCM(14215,14220) = 5¹ × 2843¹ × 2² × 3² × 79¹
LCM(14215,14220) = 40427460