What is the Least Common Multiple of 43172 and 43187?

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 43172 and 43187 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43172 and 43187, than apply into the LCM equation.

GCF(43172,43187) = 1
LCM(43172,43187) = ( 43172 × 43187) / 1
LCM(43172,43187) = 1864469164 / 1
LCM(43172,43187) = 1864469164

Least Common Multiple (LCM) of 43172 and 43187 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43172 and 43187. First we will calculate the prime factors of 43172 and 43187.

Prime Factorization of 43172

Prime Factorization of 43187

Now multiplying the highest exponent prime factors to calculate the LCM of 43172 and 43187.

LCM(43172,43187) = 2² × 43¹ × 251¹ × 19¹ × 2273¹
LCM(43172,43187) = 1864469164