What is the Least Common Multiple of 8978 and 8993?

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 8978 and 8993 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8978 and 8993, than apply into the LCM equation.

GCF(8978,8993) = 1
LCM(8978,8993) = ( 8978 × 8993) / 1
LCM(8978,8993) = 80739154 / 1
LCM(8978,8993) = 80739154

Least Common Multiple (LCM) of 8978 and 8993 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8978 and 8993. First we will calculate the prime factors of 8978 and 8993.

Prime Factorization of 8978

Prime Factorization of 8993

Now multiplying the highest exponent prime factors to calculate the LCM of 8978 and 8993.

LCM(8978,8993) = 2¹ × 67² × 17¹ × 23²
LCM(8978,8993) = 80739154