What is the Least Common Multiple of 30661 and 30681?

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 30661 and 30681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30661 and 30681, than apply into the LCM equation.

GCF(30661,30681) = 1
LCM(30661,30681) = ( 30661 × 30681) / 1
LCM(30661,30681) = 940710141 / 1
LCM(30661,30681) = 940710141

Least Common Multiple (LCM) of 30661 and 30681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30661 and 30681. First we will calculate the prime factors of 30661 and 30681.

Prime Factorization of 30661

Prime Factorization of 30681

Now multiplying the highest exponent prime factors to calculate the LCM of 30661 and 30681.

LCM(30661,30681) = 30661¹ × 3² × 7¹ × 487¹
LCM(30661,30681) = 940710141