What is the Least Common Multiple of 28542 and 28562?

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 28542 and 28562 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28542 and 28562, than apply into the LCM equation.

GCF(28542,28562) = 2
LCM(28542,28562) = ( 28542 × 28562) / 2
LCM(28542,28562) = 815216604 / 2
LCM(28542,28562) = 407608302

Least Common Multiple (LCM) of 28542 and 28562 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28542 and 28562. First we will calculate the prime factors of 28542 and 28562.

Prime Factorization of 28542

Prime Factorization of 28562

Now multiplying the highest exponent prime factors to calculate the LCM of 28542 and 28562.

LCM(28542,28562) = 2¹ × 3¹ × 67¹ × 71¹ × 14281¹
LCM(28542,28562) = 407608302