What is the Least Common Multiple of 17172 and 17180?

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 17172 and 17180 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17172 and 17180, than apply into the LCM equation.

GCF(17172,17180) = 4
LCM(17172,17180) = ( 17172 × 17180) / 4
LCM(17172,17180) = 295014960 / 4
LCM(17172,17180) = 73753740

Least Common Multiple (LCM) of 17172 and 17180 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17172 and 17180. First we will calculate the prime factors of 17172 and 17180.

Prime Factorization of 17172

Prime Factorization of 17180

Now multiplying the highest exponent prime factors to calculate the LCM of 17172 and 17180.

LCM(17172,17180) = 2² × 3⁴ × 53¹ × 5¹ × 859¹
LCM(17172,17180) = 73753740