What is the Least Common Multiple of 28623 and 28631?

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 28623 and 28631 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28623 and 28631, than apply into the LCM equation.

GCF(28623,28631) = 1
LCM(28623,28631) = ( 28623 × 28631) / 1
LCM(28623,28631) = 819505113 / 1
LCM(28623,28631) = 819505113

Least Common Multiple (LCM) of 28623 and 28631 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28623 and 28631. First we will calculate the prime factors of 28623 and 28631.

Prime Factorization of 28623

Prime Factorization of 28631

Now multiplying the highest exponent prime factors to calculate the LCM of 28623 and 28631.

LCM(28623,28631) = 3¹ × 7¹ × 29¹ × 47¹ × 28631¹
LCM(28623,28631) = 819505113