What is the Least Common Multiple of 17812 and 17830?

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 17812 and 17830 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17812 and 17830, than apply into the LCM equation.

GCF(17812,17830) = 2
LCM(17812,17830) = ( 17812 × 17830) / 2
LCM(17812,17830) = 317587960 / 2
LCM(17812,17830) = 158793980

Least Common Multiple (LCM) of 17812 and 17830 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17812 and 17830. First we will calculate the prime factors of 17812 and 17830.

Prime Factorization of 17812

Prime Factorization of 17830

Now multiplying the highest exponent prime factors to calculate the LCM of 17812 and 17830.

LCM(17812,17830) = 2² × 61¹ × 73¹ × 5¹ × 1783¹
LCM(17812,17830) = 158793980