What is the Least Common Multiple of 8915 and 8921?

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 8915 and 8921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8915 and 8921, than apply into the LCM equation.

GCF(8915,8921) = 1
LCM(8915,8921) = ( 8915 × 8921) / 1
LCM(8915,8921) = 79530715 / 1
LCM(8915,8921) = 79530715

Least Common Multiple (LCM) of 8915 and 8921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8915 and 8921. First we will calculate the prime factors of 8915 and 8921.

Prime Factorization of 8915

Prime Factorization of 8921

Now multiplying the highest exponent prime factors to calculate the LCM of 8915 and 8921.

LCM(8915,8921) = 5¹ × 1783¹ × 11¹ × 811¹
LCM(8915,8921) = 79530715