What is the Least Common Multiple of 15856 and 15863?

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 15856 and 15863 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15856 and 15863, than apply into the LCM equation.

GCF(15856,15863) = 1
LCM(15856,15863) = ( 15856 × 15863) / 1
LCM(15856,15863) = 251523728 / 1
LCM(15856,15863) = 251523728

Least Common Multiple (LCM) of 15856 and 15863 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15856 and 15863. First we will calculate the prime factors of 15856 and 15863.

Prime Factorization of 15856

Prime Factorization of 15863

Now multiplying the highest exponent prime factors to calculate the LCM of 15856 and 15863.

LCM(15856,15863) = 2⁴ × 991¹ × 29¹ × 547¹
LCM(15856,15863) = 251523728