What is the Least Common Multiple of 4689 and 4707?

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 4689 and 4707 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4689 and 4707, than apply into the LCM equation.

GCF(4689,4707) = 9
LCM(4689,4707) = ( 4689 × 4707) / 9
LCM(4689,4707) = 22071123 / 9
LCM(4689,4707) = 2452347

Least Common Multiple (LCM) of 4689 and 4707 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4689 and 4707. First we will calculate the prime factors of 4689 and 4707.

Prime Factorization of 4689

Prime Factorization of 4707

Now multiplying the highest exponent prime factors to calculate the LCM of 4689 and 4707.

LCM(4689,4707) = 3² × 521¹ × 523¹
LCM(4689,4707) = 2452347