What is the Least Common Multiple of 15997 and 16013?

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 15997 and 16013 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15997 and 16013, than apply into the LCM equation.

GCF(15997,16013) = 1
LCM(15997,16013) = ( 15997 × 16013) / 1
LCM(15997,16013) = 256159961 / 1
LCM(15997,16013) = 256159961

Least Common Multiple (LCM) of 15997 and 16013 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15997 and 16013. First we will calculate the prime factors of 15997 and 16013.

Prime Factorization of 15997

Prime Factorization of 16013

Now multiplying the highest exponent prime factors to calculate the LCM of 15997 and 16013.

LCM(15997,16013) = 17¹ × 941¹ × 67¹ × 239¹
LCM(15997,16013) = 256159961