What is the Least Common Multiple of 28975 and 28981?

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 28981 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 28981, than apply into the LCM equation.

GCF(28975,28981) = 1
LCM(28975,28981) = ( 28975 × 28981) / 1
LCM(28975,28981) = 839724475 / 1
LCM(28975,28981) = 839724475

Least Common Multiple (LCM) of 28975 and 28981 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28975 and 28981. First we will calculate the prime factors of 28975 and 28981.

Prime Factorization of 28975

Prime Factorization of 28981

Now multiplying the highest exponent prime factors to calculate the LCM of 28975 and 28981.

LCM(28975,28981) = 5² × 19¹ × 61¹ × 73¹ × 397¹
LCM(28975,28981) = 839724475