What is the Least Common Multiple of 13929 and 13947?

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 13929 and 13947 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13929 and 13947, than apply into the LCM equation.

GCF(13929,13947) = 3
LCM(13929,13947) = ( 13929 × 13947) / 3
LCM(13929,13947) = 194267763 / 3
LCM(13929,13947) = 64755921

Least Common Multiple (LCM) of 13929 and 13947 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13929 and 13947. First we will calculate the prime factors of 13929 and 13947.

Prime Factorization of 13929

Prime Factorization of 13947

Now multiplying the highest exponent prime factors to calculate the LCM of 13929 and 13947.

LCM(13929,13947) = 3¹ × 4643¹ × 4649¹
LCM(13929,13947) = 64755921