What is the Least Common Multiple of 8623 and 8642?

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 8623 and 8642 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8623 and 8642, than apply into the LCM equation.

GCF(8623,8642) = 1
LCM(8623,8642) = ( 8623 × 8642) / 1
LCM(8623,8642) = 74519966 / 1
LCM(8623,8642) = 74519966

Least Common Multiple (LCM) of 8623 and 8642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8623 and 8642. First we will calculate the prime factors of 8623 and 8642.

Prime Factorization of 8623

Prime Factorization of 8642

Now multiplying the highest exponent prime factors to calculate the LCM of 8623 and 8642.

LCM(8623,8642) = 8623¹ × 2¹ × 29¹ × 149¹
LCM(8623,8642) = 74519966