What is the Least Common Multiple of 43161 and 43181?

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 43161 and 43181 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43161 and 43181, than apply into the LCM equation.

GCF(43161,43181) = 1
LCM(43161,43181) = ( 43161 × 43181) / 1
LCM(43161,43181) = 1863735141 / 1
LCM(43161,43181) = 1863735141

Least Common Multiple (LCM) of 43161 and 43181 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43161 and 43181. First we will calculate the prime factors of 43161 and 43181.

Prime Factorization of 43161

Prime Factorization of 43181

Now multiplying the highest exponent prime factors to calculate the LCM of 43161 and 43181.

LCM(43161,43181) = 3¹ × 14387¹ × 29¹ × 1489¹
LCM(43161,43181) = 1863735141