What is the Least Common Multiple of 87439 and 87457?

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 87439 and 87457 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87439 and 87457, than apply into the LCM equation.

GCF(87439,87457) = 1
LCM(87439,87457) = ( 87439 × 87457) / 1
LCM(87439,87457) = 7647152623 / 1
LCM(87439,87457) = 7647152623

Least Common Multiple (LCM) of 87439 and 87457 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87439 and 87457. First we will calculate the prime factors of 87439 and 87457.

Prime Factorization of 87439

Prime Factorization of 87457

Now multiplying the highest exponent prime factors to calculate the LCM of 87439 and 87457.

LCM(87439,87457) = 11¹ × 7949¹ × 19¹ × 4603¹
LCM(87439,87457) = 7647152623