What is the Least Common Multiple of 17128 and 17140?

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 17128 and 17140 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17128 and 17140, than apply into the LCM equation.

GCF(17128,17140) = 4
LCM(17128,17140) = ( 17128 × 17140) / 4
LCM(17128,17140) = 293573920 / 4
LCM(17128,17140) = 73393480

Least Common Multiple (LCM) of 17128 and 17140 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17128 and 17140. First we will calculate the prime factors of 17128 and 17140.

Prime Factorization of 17128

Prime Factorization of 17140

Now multiplying the highest exponent prime factors to calculate the LCM of 17128 and 17140.

LCM(17128,17140) = 2³ × 2141¹ × 5¹ × 857¹
LCM(17128,17140) = 73393480