What is the Least Common Multiple of 61318 and 61330?

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 61318 and 61330 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61318 and 61330, than apply into the LCM equation.

GCF(61318,61330) = 2
LCM(61318,61330) = ( 61318 × 61330) / 2
LCM(61318,61330) = 3760632940 / 2
LCM(61318,61330) = 1880316470

Least Common Multiple (LCM) of 61318 and 61330 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61318 and 61330. First we will calculate the prime factors of 61318 and 61330.

Prime Factorization of 61318

Prime Factorization of 61330

Now multiplying the highest exponent prime factors to calculate the LCM of 61318 and 61330.

LCM(61318,61330) = 2¹ × 23¹ × 31¹ × 43¹ × 5¹ × 6133¹
LCM(61318,61330) = 1880316470