What is the Least Common Multiple of 74440 and 74454?

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 74440 and 74454 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74440 and 74454, than apply into the LCM equation.

GCF(74440,74454) = 2
LCM(74440,74454) = ( 74440 × 74454) / 2
LCM(74440,74454) = 5542355760 / 2
LCM(74440,74454) = 2771177880

Least Common Multiple (LCM) of 74440 and 74454 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74440 and 74454. First we will calculate the prime factors of 74440 and 74454.

Prime Factorization of 74440

Prime Factorization of 74454

Now multiplying the highest exponent prime factors to calculate the LCM of 74440 and 74454.

LCM(74440,74454) = 2³ × 5¹ × 1861¹ × 3¹ × 12409¹
LCM(74440,74454) = 2771177880