What is the Least Common Multiple of 47172 and 47180?

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 47172 and 47180 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47172 and 47180, than apply into the LCM equation.

GCF(47172,47180) = 4
LCM(47172,47180) = ( 47172 × 47180) / 4
LCM(47172,47180) = 2225574960 / 4
LCM(47172,47180) = 556393740

Least Common Multiple (LCM) of 47172 and 47180 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47172 and 47180. First we will calculate the prime factors of 47172 and 47180.

Prime Factorization of 47172

Prime Factorization of 47180

Now multiplying the highest exponent prime factors to calculate the LCM of 47172 and 47180.

LCM(47172,47180) = 2² × 3¹ × 3931¹ × 5¹ × 7¹ × 337¹
LCM(47172,47180) = 556393740