What is the Least Common Multiple of 12458 and 12472?

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 12458 and 12472 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12458 and 12472, than apply into the LCM equation.

GCF(12458,12472) = 2
LCM(12458,12472) = ( 12458 × 12472) / 2
LCM(12458,12472) = 155376176 / 2
LCM(12458,12472) = 77688088

Least Common Multiple (LCM) of 12458 and 12472 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12458 and 12472. First we will calculate the prime factors of 12458 and 12472.

Prime Factorization of 12458

Prime Factorization of 12472

Now multiplying the highest exponent prime factors to calculate the LCM of 12458 and 12472.

LCM(12458,12472) = 2³ × 6229¹ × 1559¹
LCM(12458,12472) = 77688088