What is the Least Common Multiple of 54440 and 54458?

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 54440 and 54458 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54440 and 54458, than apply into the LCM equation.

GCF(54440,54458) = 2
LCM(54440,54458) = ( 54440 × 54458) / 2
LCM(54440,54458) = 2964693520 / 2
LCM(54440,54458) = 1482346760

Least Common Multiple (LCM) of 54440 and 54458 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54440 and 54458. First we will calculate the prime factors of 54440 and 54458.

Prime Factorization of 54440

Prime Factorization of 54458

Now multiplying the highest exponent prime factors to calculate the LCM of 54440 and 54458.

LCM(54440,54458) = 2³ × 5¹ × 1361¹ × 73¹ × 373¹
LCM(54440,54458) = 1482346760