What is the Least Common Multiple of 8981 and 8991?

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 8981 and 8991 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8981 and 8991, than apply into the LCM equation.

GCF(8981,8991) = 1
LCM(8981,8991) = ( 8981 × 8991) / 1
LCM(8981,8991) = 80748171 / 1
LCM(8981,8991) = 80748171

Least Common Multiple (LCM) of 8981 and 8991 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8981 and 8991. First we will calculate the prime factors of 8981 and 8991.

Prime Factorization of 8981

Prime Factorization of 8991

Now multiplying the highest exponent prime factors to calculate the LCM of 8981 and 8991.

LCM(8981,8991) = 7¹ × 1283¹ × 3⁵ × 37¹
LCM(8981,8991) = 80748171