What is the Least Common Multiple of 79680 and 79686?

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 79680 and 79686 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79680 and 79686, than apply into the LCM equation.

GCF(79680,79686) = 6
LCM(79680,79686) = ( 79680 × 79686) / 6
LCM(79680,79686) = 6349380480 / 6
LCM(79680,79686) = 1058230080

Least Common Multiple (LCM) of 79680 and 79686 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79680 and 79686. First we will calculate the prime factors of 79680 and 79686.

Prime Factorization of 79680

Prime Factorization of 79686

Now multiplying the highest exponent prime factors to calculate the LCM of 79680 and 79686.

LCM(79680,79686) = 2⁶ × 3² × 5¹ × 83¹ × 19¹ × 233¹
LCM(79680,79686) = 1058230080