What is the Least Common Multiple of 5451 and 5469?

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 5451 and 5469 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5451 and 5469, than apply into the LCM equation.

GCF(5451,5469) = 3
LCM(5451,5469) = ( 5451 × 5469) / 3
LCM(5451,5469) = 29811519 / 3
LCM(5451,5469) = 9937173

Least Common Multiple (LCM) of 5451 and 5469 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5451 and 5469. First we will calculate the prime factors of 5451 and 5469.

Prime Factorization of 5451

Prime Factorization of 5469

Now multiplying the highest exponent prime factors to calculate the LCM of 5451 and 5469.

LCM(5451,5469) = 3¹ × 23¹ × 79¹ × 1823¹
LCM(5451,5469) = 9937173