What is the Least Common Multiple of 28616 and 28634?

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 28616 and 28634 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28616 and 28634, than apply into the LCM equation.

GCF(28616,28634) = 2
LCM(28616,28634) = ( 28616 × 28634) / 2
LCM(28616,28634) = 819390544 / 2
LCM(28616,28634) = 409695272

Least Common Multiple (LCM) of 28616 and 28634 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28616 and 28634. First we will calculate the prime factors of 28616 and 28634.

Prime Factorization of 28616

Prime Factorization of 28634

Now multiplying the highest exponent prime factors to calculate the LCM of 28616 and 28634.

LCM(28616,28634) = 2³ × 7² × 73¹ × 103¹ × 139¹
LCM(28616,28634) = 409695272