What is the Least Common Multiple of 28188 and 28202?

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 28188 and 28202 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28188 and 28202, than apply into the LCM equation.

GCF(28188,28202) = 2
LCM(28188,28202) = ( 28188 × 28202) / 2
LCM(28188,28202) = 794957976 / 2
LCM(28188,28202) = 397478988

Least Common Multiple (LCM) of 28188 and 28202 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28188 and 28202. First we will calculate the prime factors of 28188 and 28202.

Prime Factorization of 28188

Prime Factorization of 28202

Now multiplying the highest exponent prime factors to calculate the LCM of 28188 and 28202.

LCM(28188,28202) = 2² × 3⁵ × 29¹ × 59¹ × 239¹
LCM(28188,28202) = 397478988