What is the Least Common Multiple of 6920 and 6931?

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 6920 and 6931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6920 and 6931, than apply into the LCM equation.

GCF(6920,6931) = 1
LCM(6920,6931) = ( 6920 × 6931) / 1
LCM(6920,6931) = 47962520 / 1
LCM(6920,6931) = 47962520

Least Common Multiple (LCM) of 6920 and 6931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6920 and 6931. First we will calculate the prime factors of 6920 and 6931.

Prime Factorization of 6920

Prime Factorization of 6931

Now multiplying the highest exponent prime factors to calculate the LCM of 6920 and 6931.

LCM(6920,6931) = 2³ × 5¹ × 173¹ × 29¹ × 239¹
LCM(6920,6931) = 47962520