What is the Least Common Multiple of 17880 and 17900?

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 17880 and 17900 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17880 and 17900, than apply into the LCM equation.

GCF(17880,17900) = 20
LCM(17880,17900) = ( 17880 × 17900) / 20
LCM(17880,17900) = 320052000 / 20
LCM(17880,17900) = 16002600

Least Common Multiple (LCM) of 17880 and 17900 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17880 and 17900. First we will calculate the prime factors of 17880 and 17900.

Prime Factorization of 17880

Prime Factorization of 17900

Now multiplying the highest exponent prime factors to calculate the LCM of 17880 and 17900.

LCM(17880,17900) = 2³ × 3¹ × 5² × 149¹ × 179¹
LCM(17880,17900) = 16002600