What is the Least Common Multiple of 6815 and 6830?

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 6815 and 6830 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6815 and 6830, than apply into the LCM equation.

GCF(6815,6830) = 5
LCM(6815,6830) = ( 6815 × 6830) / 5
LCM(6815,6830) = 46546450 / 5
LCM(6815,6830) = 9309290

Least Common Multiple (LCM) of 6815 and 6830 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6815 and 6830. First we will calculate the prime factors of 6815 and 6830.

Prime Factorization of 6815

Prime Factorization of 6830

Now multiplying the highest exponent prime factors to calculate the LCM of 6815 and 6830.

LCM(6815,6830) = 5¹ × 29¹ × 47¹ × 2¹ × 683¹
LCM(6815,6830) = 9309290