What is the Least Common Multiple of 13550 and 13558?

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 13550 and 13558 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13550 and 13558, than apply into the LCM equation.

GCF(13550,13558) = 2
LCM(13550,13558) = ( 13550 × 13558) / 2
LCM(13550,13558) = 183710900 / 2
LCM(13550,13558) = 91855450

Least Common Multiple (LCM) of 13550 and 13558 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13550 and 13558. First we will calculate the prime factors of 13550 and 13558.

Prime Factorization of 13550

Prime Factorization of 13558

Now multiplying the highest exponent prime factors to calculate the LCM of 13550 and 13558.

LCM(13550,13558) = 2¹ × 5² × 271¹ × 6779¹
LCM(13550,13558) = 91855450