What is the Least Common Multiple of 4047 and 4065?

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 4047 and 4065 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4047 and 4065, than apply into the LCM equation.

GCF(4047,4065) = 3
LCM(4047,4065) = ( 4047 × 4065) / 3
LCM(4047,4065) = 16451055 / 3
LCM(4047,4065) = 5483685

Least Common Multiple (LCM) of 4047 and 4065 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4047 and 4065. First we will calculate the prime factors of 4047 and 4065.

Prime Factorization of 4047

Prime Factorization of 4065

Now multiplying the highest exponent prime factors to calculate the LCM of 4047 and 4065.

LCM(4047,4065) = 3¹ × 19¹ × 71¹ × 5¹ × 271¹
LCM(4047,4065) = 5483685