What is the Least Common Multiple of 18542 and 18550?

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 18550 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 18550, than apply into the LCM equation.

GCF(18542,18550) = 2
LCM(18542,18550) = ( 18542 × 18550) / 2
LCM(18542,18550) = 343954100 / 2
LCM(18542,18550) = 171977050

Least Common Multiple (LCM) of 18542 and 18550 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18542 and 18550. First we will calculate the prime factors of 18542 and 18550.

Prime Factorization of 18542

Prime Factorization of 18550

Now multiplying the highest exponent prime factors to calculate the LCM of 18542 and 18550.

LCM(18542,18550) = 2¹ × 73¹ × 127¹ × 5² × 7¹ × 53¹
LCM(18542,18550) = 171977050