What is the Least Common Multiple of 87430 and 87450?

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 87450 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 87450, than apply into the LCM equation.

GCF(87430,87450) = 10
LCM(87430,87450) = ( 87430 × 87450) / 10
LCM(87430,87450) = 7645753500 / 10
LCM(87430,87450) = 764575350

Least Common Multiple (LCM) of 87430 and 87450 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87430 and 87450. First we will calculate the prime factors of 87430 and 87450.

Prime Factorization of 87430

Prime Factorization of 87450

Now multiplying the highest exponent prime factors to calculate the LCM of 87430 and 87450.

LCM(87430,87450) = 2¹ × 5² × 7¹ × 1249¹ × 3¹ × 11¹ × 53¹
LCM(87430,87450) = 764575350