What is the Least Common Multiple of 17768 and 17772?

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 17768 and 17772 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17768 and 17772, than apply into the LCM equation.

GCF(17768,17772) = 4
LCM(17768,17772) = ( 17768 × 17772) / 4
LCM(17768,17772) = 315772896 / 4
LCM(17768,17772) = 78943224

Least Common Multiple (LCM) of 17768 and 17772 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17768 and 17772. First we will calculate the prime factors of 17768 and 17772.

Prime Factorization of 17768

Prime Factorization of 17772

Now multiplying the highest exponent prime factors to calculate the LCM of 17768 and 17772.

LCM(17768,17772) = 2³ × 2221¹ × 3¹ × 1481¹
LCM(17768,17772) = 78943224