What is the Least Common Multiple of 7538 and 7544?

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 7538 and 7544 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7538 and 7544, than apply into the LCM equation.

GCF(7538,7544) = 2
LCM(7538,7544) = ( 7538 × 7544) / 2
LCM(7538,7544) = 56866672 / 2
LCM(7538,7544) = 28433336

Least Common Multiple (LCM) of 7538 and 7544 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7538 and 7544. First we will calculate the prime factors of 7538 and 7544.

Prime Factorization of 7538

Prime Factorization of 7544

Now multiplying the highest exponent prime factors to calculate the LCM of 7538 and 7544.

LCM(7538,7544) = 2³ × 3769¹ × 23¹ × 41¹
LCM(7538,7544) = 28433336