What is the Least Common Multiple of 74172 and 74187?

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 74172 and 74187 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74172 and 74187, than apply into the LCM equation.

GCF(74172,74187) = 3
LCM(74172,74187) = ( 74172 × 74187) / 3
LCM(74172,74187) = 5502598164 / 3
LCM(74172,74187) = 1834199388

Least Common Multiple (LCM) of 74172 and 74187 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74172 and 74187. First we will calculate the prime factors of 74172 and 74187.

Prime Factorization of 74172

Prime Factorization of 74187

Now multiplying the highest exponent prime factors to calculate the LCM of 74172 and 74187.

LCM(74172,74187) = 2² × 3² × 7¹ × 883¹ × 8243¹
LCM(74172,74187) = 1834199388