What is the Least Common Multiple of 17645 and 17665?

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 17645 and 17665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17645 and 17665, than apply into the LCM equation.

GCF(17645,17665) = 5
LCM(17645,17665) = ( 17645 × 17665) / 5
LCM(17645,17665) = 311698925 / 5
LCM(17645,17665) = 62339785

Least Common Multiple (LCM) of 17645 and 17665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17645 and 17665. First we will calculate the prime factors of 17645 and 17665.

Prime Factorization of 17645

Prime Factorization of 17665

Now multiplying the highest exponent prime factors to calculate the LCM of 17645 and 17665.

LCM(17645,17665) = 5¹ × 3529¹ × 3533¹
LCM(17645,17665) = 62339785