What is the Least Common Multiple of 7550 and 7558?

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 7550 and 7558 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7550 and 7558, than apply into the LCM equation.

GCF(7550,7558) = 2
LCM(7550,7558) = ( 7550 × 7558) / 2
LCM(7550,7558) = 57062900 / 2
LCM(7550,7558) = 28531450

Least Common Multiple (LCM) of 7550 and 7558 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7550 and 7558. First we will calculate the prime factors of 7550 and 7558.

Prime Factorization of 7550

Prime Factorization of 7558

Now multiplying the highest exponent prime factors to calculate the LCM of 7550 and 7558.

LCM(7550,7558) = 2¹ × 5² × 151¹ × 3779¹
LCM(7550,7558) = 28531450