What is the Least Common Multiple of 47808 and 47816?

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 47808 and 47816 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47808 and 47816, than apply into the LCM equation.

GCF(47808,47816) = 8
LCM(47808,47816) = ( 47808 × 47816) / 8
LCM(47808,47816) = 2285987328 / 8
LCM(47808,47816) = 285748416

Least Common Multiple (LCM) of 47808 and 47816 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47808 and 47816. First we will calculate the prime factors of 47808 and 47816.

Prime Factorization of 47808

Prime Factorization of 47816

Now multiplying the highest exponent prime factors to calculate the LCM of 47808 and 47816.

LCM(47808,47816) = 2⁶ × 3² × 83¹ × 43¹ × 139¹
LCM(47808,47816) = 285748416