What is the Least Common Multiple of 28057 and 28065?

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 28057 and 28065 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28057 and 28065, than apply into the LCM equation.

GCF(28057,28065) = 1
LCM(28057,28065) = ( 28057 × 28065) / 1
LCM(28057,28065) = 787419705 / 1
LCM(28057,28065) = 787419705

Least Common Multiple (LCM) of 28057 and 28065 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28057 and 28065. First we will calculate the prime factors of 28057 and 28065.

Prime Factorization of 28057

Prime Factorization of 28065

Now multiplying the highest exponent prime factors to calculate the LCM of 28057 and 28065.

LCM(28057,28065) = 28057¹ × 3¹ × 5¹ × 1871¹
LCM(28057,28065) = 787419705