What is the Least Common Multiple of 87430 and 87442?

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 87430 and 87442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87430 and 87442, than apply into the LCM equation.

GCF(87430,87442) = 2
LCM(87430,87442) = ( 87430 × 87442) / 2
LCM(87430,87442) = 7645054060 / 2
LCM(87430,87442) = 3822527030

Least Common Multiple (LCM) of 87430 and 87442 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87430 and 87442. First we will calculate the prime factors of 87430 and 87442.

Prime Factorization of 87430

Prime Factorization of 87442

Now multiplying the highest exponent prime factors to calculate the LCM of 87430 and 87442.

LCM(87430,87442) = 2¹ × 5¹ × 7¹ × 1249¹ × 43721¹
LCM(87430,87442) = 3822527030