What is the Least Common Multiple of 28742 and 28748?

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 28742 and 28748 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28742 and 28748, than apply into the LCM equation.

GCF(28742,28748) = 2
LCM(28742,28748) = ( 28742 × 28748) / 2
LCM(28742,28748) = 826275016 / 2
LCM(28742,28748) = 413137508

Least Common Multiple (LCM) of 28742 and 28748 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28742 and 28748. First we will calculate the prime factors of 28742 and 28748.

Prime Factorization of 28742

Prime Factorization of 28748

Now multiplying the highest exponent prime factors to calculate the LCM of 28742 and 28748.

LCM(28742,28748) = 2² × 7¹ × 2053¹ × 7187¹
LCM(28742,28748) = 413137508