What is the Least Common Multiple of 13947 and 13956?

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 13947 and 13956 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13947 and 13956, than apply into the LCM equation.

GCF(13947,13956) = 3
LCM(13947,13956) = ( 13947 × 13956) / 3
LCM(13947,13956) = 194644332 / 3
LCM(13947,13956) = 64881444

Least Common Multiple (LCM) of 13947 and 13956 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13947 and 13956. First we will calculate the prime factors of 13947 and 13956.

Prime Factorization of 13947

Prime Factorization of 13956

Now multiplying the highest exponent prime factors to calculate the LCM of 13947 and 13956.

LCM(13947,13956) = 3¹ × 4649¹ × 2² × 1163¹
LCM(13947,13956) = 64881444