What is the Least Common Multiple of 43172 and 43178?

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 43178 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 43178, than apply into the LCM equation.

GCF(43172,43178) = 2
LCM(43172,43178) = ( 43172 × 43178) / 2
LCM(43172,43178) = 1864080616 / 2
LCM(43172,43178) = 932040308

Least Common Multiple (LCM) of 43172 and 43178 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43172 and 43178. First we will calculate the prime factors of 43172 and 43178.

Prime Factorization of 43172

Prime Factorization of 43178

Now multiplying the highest exponent prime factors to calculate the LCM of 43172 and 43178.

LCM(43172,43178) = 2² × 43¹ × 251¹ × 21589¹
LCM(43172,43178) = 932040308