What is the Least Common Multiple of 16639 and 16645?

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 16639 and 16645 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16639 and 16645, than apply into the LCM equation.

GCF(16639,16645) = 1
LCM(16639,16645) = ( 16639 × 16645) / 1
LCM(16639,16645) = 276956155 / 1
LCM(16639,16645) = 276956155

Least Common Multiple (LCM) of 16639 and 16645 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16639 and 16645. First we will calculate the prime factors of 16639 and 16645.

Prime Factorization of 16639

Prime Factorization of 16645

Now multiplying the highest exponent prime factors to calculate the LCM of 16639 and 16645.

LCM(16639,16645) = 7¹ × 2377¹ × 5¹ × 3329¹
LCM(16639,16645) = 276956155