What is the Least Common Multiple of 17740 and 17755?

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 17740 and 17755 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17740 and 17755, than apply into the LCM equation.

GCF(17740,17755) = 5
LCM(17740,17755) = ( 17740 × 17755) / 5
LCM(17740,17755) = 314973700 / 5
LCM(17740,17755) = 62994740

Least Common Multiple (LCM) of 17740 and 17755 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17740 and 17755. First we will calculate the prime factors of 17740 and 17755.

Prime Factorization of 17740

Prime Factorization of 17755

Now multiplying the highest exponent prime factors to calculate the LCM of 17740 and 17755.

LCM(17740,17755) = 2² × 5¹ × 887¹ × 53¹ × 67¹
LCM(17740,17755) = 62994740