What is the Least Common Multiple of 27428 and 27442?

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 27428 and 27442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27428 and 27442, than apply into the LCM equation.

GCF(27428,27442) = 2
LCM(27428,27442) = ( 27428 × 27442) / 2
LCM(27428,27442) = 752679176 / 2
LCM(27428,27442) = 376339588

Least Common Multiple (LCM) of 27428 and 27442 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27428 and 27442. First we will calculate the prime factors of 27428 and 27442.

Prime Factorization of 27428

Prime Factorization of 27442

Now multiplying the highest exponent prime factors to calculate the LCM of 27428 and 27442.

LCM(27428,27442) = 2² × 6857¹ × 13721¹
LCM(27428,27442) = 376339588