What is the Least Common Multiple of 28975 and 28993?

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 28975 and 28993 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28975 and 28993, than apply into the LCM equation.

GCF(28975,28993) = 1
LCM(28975,28993) = ( 28975 × 28993) / 1
LCM(28975,28993) = 840072175 / 1
LCM(28975,28993) = 840072175

Least Common Multiple (LCM) of 28975 and 28993 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28975 and 28993. First we will calculate the prime factors of 28975 and 28993.

Prime Factorization of 28975

Prime Factorization of 28993

Now multiplying the highest exponent prime factors to calculate the LCM of 28975 and 28993.

LCM(28975,28993) = 5² × 19¹ × 61¹ × 79¹ × 367¹
LCM(28975,28993) = 840072175