What is the Least Common Multiple of 12161 and 12169?

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 12161 and 12169 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12161 and 12169, than apply into the LCM equation.

GCF(12161,12169) = 1
LCM(12161,12169) = ( 12161 × 12169) / 1
LCM(12161,12169) = 147987209 / 1
LCM(12161,12169) = 147987209

Least Common Multiple (LCM) of 12161 and 12169 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12161 and 12169. First we will calculate the prime factors of 12161 and 12169.

Prime Factorization of 12161

Prime Factorization of 12169

Now multiplying the highest exponent prime factors to calculate the LCM of 12161 and 12169.

LCM(12161,12169) = 12161¹ × 43¹ × 283¹
LCM(12161,12169) = 147987209