What is the Least Common Multiple of 4451 and 4458?

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 4451 and 4458 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4451 and 4458, than apply into the LCM equation.

GCF(4451,4458) = 1
LCM(4451,4458) = ( 4451 × 4458) / 1
LCM(4451,4458) = 19842558 / 1
LCM(4451,4458) = 19842558

Least Common Multiple (LCM) of 4451 and 4458 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4451 and 4458. First we will calculate the prime factors of 4451 and 4458.

Prime Factorization of 4451

Prime Factorization of 4458

Now multiplying the highest exponent prime factors to calculate the LCM of 4451 and 4458.

LCM(4451,4458) = 4451¹ × 2¹ × 3¹ × 743¹
LCM(4451,4458) = 19842558