What is the Least Common Multiple of 5423 and 5428?

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 5423 and 5428 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5423 and 5428, than apply into the LCM equation.

GCF(5423,5428) = 1
LCM(5423,5428) = ( 5423 × 5428) / 1
LCM(5423,5428) = 29436044 / 1
LCM(5423,5428) = 29436044

Least Common Multiple (LCM) of 5423 and 5428 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5423 and 5428. First we will calculate the prime factors of 5423 and 5428.

Prime Factorization of 5423

Prime Factorization of 5428

Now multiplying the highest exponent prime factors to calculate the LCM of 5423 and 5428.

LCM(5423,5428) = 11¹ × 17¹ × 29¹ × 2² × 23¹ × 59¹
LCM(5423,5428) = 29436044