What is the Least Common Multiple of 57986 and 57990?

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 57986 and 57990 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57986 and 57990, than apply into the LCM equation.

GCF(57986,57990) = 2
LCM(57986,57990) = ( 57986 × 57990) / 2
LCM(57986,57990) = 3362608140 / 2
LCM(57986,57990) = 1681304070

Least Common Multiple (LCM) of 57986 and 57990 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57986 and 57990. First we will calculate the prime factors of 57986 and 57990.

Prime Factorization of 57986

Prime Factorization of 57990

Now multiplying the highest exponent prime factors to calculate the LCM of 57986 and 57990.

LCM(57986,57990) = 2¹ × 79¹ × 367¹ × 3¹ × 5¹ × 1933¹
LCM(57986,57990) = 1681304070