What is the Least Common Multiple of 6939 and 6957?

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 6939 and 6957 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6939 and 6957, than apply into the LCM equation.

GCF(6939,6957) = 9
LCM(6939,6957) = ( 6939 × 6957) / 9
LCM(6939,6957) = 48274623 / 9
LCM(6939,6957) = 5363847

Least Common Multiple (LCM) of 6939 and 6957 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6939 and 6957. First we will calculate the prime factors of 6939 and 6957.

Prime Factorization of 6939

Prime Factorization of 6957

Now multiplying the highest exponent prime factors to calculate the LCM of 6939 and 6957.

LCM(6939,6957) = 3³ × 257¹ × 773¹
LCM(6939,6957) = 5363847