What is the Least Common Multiple of 84578 and 84590?

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 84578 and 84590 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84578 and 84590, than apply into the LCM equation.

GCF(84578,84590) = 2
LCM(84578,84590) = ( 84578 × 84590) / 2
LCM(84578,84590) = 7154453020 / 2
LCM(84578,84590) = 3577226510

Least Common Multiple (LCM) of 84578 and 84590 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84578 and 84590. First we will calculate the prime factors of 84578 and 84590.

Prime Factorization of 84578

Prime Factorization of 84590

Now multiplying the highest exponent prime factors to calculate the LCM of 84578 and 84590.

LCM(84578,84590) = 2¹ × 13¹ × 3253¹ × 5¹ × 11¹ × 769¹
LCM(84578,84590) = 3577226510