What is the Least Common Multiple of 56981 and 56989?

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 56981 and 56989 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56981 and 56989, than apply into the LCM equation.

GCF(56981,56989) = 1
LCM(56981,56989) = ( 56981 × 56989) / 1
LCM(56981,56989) = 3247290209 / 1
LCM(56981,56989) = 3247290209

Least Common Multiple (LCM) of 56981 and 56989 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56981 and 56989. First we will calculate the prime factors of 56981 and 56989.

Prime Factorization of 56981

Prime Factorization of 56989

Now multiplying the highest exponent prime factors to calculate the LCM of 56981 and 56989.

LCM(56981,56989) = 19¹ × 2999¹ × 56989¹
LCM(56981,56989) = 3247290209