What is the Least Common Multiple of 18542 and 18554?

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 18542 and 18554 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18542 and 18554, than apply into the LCM equation.

GCF(18542,18554) = 2
LCM(18542,18554) = ( 18542 × 18554) / 2
LCM(18542,18554) = 344028268 / 2
LCM(18542,18554) = 172014134

Least Common Multiple (LCM) of 18542 and 18554 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18542 and 18554. First we will calculate the prime factors of 18542 and 18554.

Prime Factorization of 18542

Prime Factorization of 18554

Now multiplying the highest exponent prime factors to calculate the LCM of 18542 and 18554.

LCM(18542,18554) = 2¹ × 73¹ × 127¹ × 9277¹
LCM(18542,18554) = 172014134