What is the Least Common Multiple of 28180 and 28186?

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 28180 and 28186 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28180 and 28186, than apply into the LCM equation.

GCF(28180,28186) = 2
LCM(28180,28186) = ( 28180 × 28186) / 2
LCM(28180,28186) = 794281480 / 2
LCM(28180,28186) = 397140740

Least Common Multiple (LCM) of 28180 and 28186 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28180 and 28186. First we will calculate the prime factors of 28180 and 28186.

Prime Factorization of 28180

Prime Factorization of 28186

Now multiplying the highest exponent prime factors to calculate the LCM of 28180 and 28186.

LCM(28180,28186) = 2² × 5¹ × 1409¹ × 17¹ × 829¹
LCM(28180,28186) = 397140740