What is the Least Common Multiple of 16161 and 16170?

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 16161 and 16170 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16161 and 16170, than apply into the LCM equation.

GCF(16161,16170) = 3
LCM(16161,16170) = ( 16161 × 16170) / 3
LCM(16161,16170) = 261323370 / 3
LCM(16161,16170) = 87107790

Least Common Multiple (LCM) of 16161 and 16170 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16161 and 16170. First we will calculate the prime factors of 16161 and 16170.

Prime Factorization of 16161

Prime Factorization of 16170

Now multiplying the highest exponent prime factors to calculate the LCM of 16161 and 16170.

LCM(16161,16170) = 3¹ × 5387¹ × 2¹ × 5¹ × 7² × 11¹
LCM(16161,16170) = 87107790