What is the Least Common Multiple of 4668 and 4680?

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 4668 and 4680 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4668 and 4680, than apply into the LCM equation.

GCF(4668,4680) = 12
LCM(4668,4680) = ( 4668 × 4680) / 12
LCM(4668,4680) = 21846240 / 12
LCM(4668,4680) = 1820520

Least Common Multiple (LCM) of 4668 and 4680 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4668 and 4680. First we will calculate the prime factors of 4668 and 4680.

Prime Factorization of 4668

Prime Factorization of 4680

Now multiplying the highest exponent prime factors to calculate the LCM of 4668 and 4680.

LCM(4668,4680) = 2³ × 3² × 389¹ × 5¹ × 13¹
LCM(4668,4680) = 1820520