What is the Least Common Multiple of 6174 and 6180?

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 6174 and 6180 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6174 and 6180, than apply into the LCM equation.

GCF(6174,6180) = 6
LCM(6174,6180) = ( 6174 × 6180) / 6
LCM(6174,6180) = 38155320 / 6
LCM(6174,6180) = 6359220

Least Common Multiple (LCM) of 6174 and 6180 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6174 and 6180. First we will calculate the prime factors of 6174 and 6180.

Prime Factorization of 6174

Prime Factorization of 6180

Now multiplying the highest exponent prime factors to calculate the LCM of 6174 and 6180.

LCM(6174,6180) = 2² × 3² × 7³ × 5¹ × 103¹
LCM(6174,6180) = 6359220