What is the Least Common Multiple of 17642 and 17660?

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 17642 and 17660 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17642 and 17660, than apply into the LCM equation.

GCF(17642,17660) = 2
LCM(17642,17660) = ( 17642 × 17660) / 2
LCM(17642,17660) = 311557720 / 2
LCM(17642,17660) = 155778860

Least Common Multiple (LCM) of 17642 and 17660 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17642 and 17660. First we will calculate the prime factors of 17642 and 17660.

Prime Factorization of 17642

Prime Factorization of 17660

Now multiplying the highest exponent prime factors to calculate the LCM of 17642 and 17660.

LCM(17642,17660) = 2² × 8821¹ × 5¹ × 883¹
LCM(17642,17660) = 155778860