What is the Least Common Multiple of 28453 and 28457?

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 28453 and 28457 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28453 and 28457, than apply into the LCM equation.

GCF(28453,28457) = 1
LCM(28453,28457) = ( 28453 × 28457) / 1
LCM(28453,28457) = 809687021 / 1
LCM(28453,28457) = 809687021

Least Common Multiple (LCM) of 28453 and 28457 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28453 and 28457. First we will calculate the prime factors of 28453 and 28457.

Prime Factorization of 28453

Prime Factorization of 28457

Now multiplying the highest exponent prime factors to calculate the LCM of 28453 and 28457.

LCM(28453,28457) = 37¹ × 769¹ × 11¹ × 13¹ × 199¹
LCM(28453,28457) = 809687021