What is the Least Common Multiple of 8721 and 8738?

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 8721 and 8738 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8721 and 8738, than apply into the LCM equation.

GCF(8721,8738) = 17
LCM(8721,8738) = ( 8721 × 8738) / 17
LCM(8721,8738) = 76204098 / 17
LCM(8721,8738) = 4482594

Least Common Multiple (LCM) of 8721 and 8738 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8721 and 8738. First we will calculate the prime factors of 8721 and 8738.

Prime Factorization of 8721

Prime Factorization of 8738

Now multiplying the highest exponent prime factors to calculate the LCM of 8721 and 8738.

LCM(8721,8738) = 3³ × 17¹ × 19¹ × 2¹ × 257¹
LCM(8721,8738) = 4482594