What is the Least Common Multiple of 17872 and 17891?

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 17872 and 17891 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17872 and 17891, than apply into the LCM equation.

GCF(17872,17891) = 1
LCM(17872,17891) = ( 17872 × 17891) / 1
LCM(17872,17891) = 319747952 / 1
LCM(17872,17891) = 319747952

Least Common Multiple (LCM) of 17872 and 17891 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17872 and 17891. First we will calculate the prime factors of 17872 and 17891.

Prime Factorization of 17872

Prime Factorization of 17891

Now multiplying the highest exponent prime factors to calculate the LCM of 17872 and 17891.

LCM(17872,17891) = 2⁴ × 1117¹ × 17891¹
LCM(17872,17891) = 319747952