What is the Least Common Multiple of 17631 and 17642?

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 17631 and 17642 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17631 and 17642, than apply into the LCM equation.

GCF(17631,17642) = 1
LCM(17631,17642) = ( 17631 × 17642) / 1
LCM(17631,17642) = 311046102 / 1
LCM(17631,17642) = 311046102

Least Common Multiple (LCM) of 17631 and 17642 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17631 and 17642. First we will calculate the prime factors of 17631 and 17642.

Prime Factorization of 17631

Prime Factorization of 17642

Now multiplying the highest exponent prime factors to calculate the LCM of 17631 and 17642.

LCM(17631,17642) = 3³ × 653¹ × 2¹ × 8821¹
LCM(17631,17642) = 311046102