What is the Least Common Multiple of 6781 and 6790?

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 6781 and 6790 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6781 and 6790, than apply into the LCM equation.

GCF(6781,6790) = 1
LCM(6781,6790) = ( 6781 × 6790) / 1
LCM(6781,6790) = 46042990 / 1
LCM(6781,6790) = 46042990

Least Common Multiple (LCM) of 6781 and 6790 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6781 and 6790. First we will calculate the prime factors of 6781 and 6790.

Prime Factorization of 6781

Prime Factorization of 6790

Now multiplying the highest exponent prime factors to calculate the LCM of 6781 and 6790.

LCM(6781,6790) = 6781¹ × 2¹ × 5¹ × 7¹ × 97¹
LCM(6781,6790) = 46042990