What is the Least Common Multiple of 30681 and 30691?

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 30681 and 30691 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30681 and 30691, than apply into the LCM equation.

GCF(30681,30691) = 1
LCM(30681,30691) = ( 30681 × 30691) / 1
LCM(30681,30691) = 941630571 / 1
LCM(30681,30691) = 941630571

Least Common Multiple (LCM) of 30681 and 30691 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30681 and 30691. First we will calculate the prime factors of 30681 and 30691.

Prime Factorization of 30681

Prime Factorization of 30691

Now multiplying the highest exponent prime factors to calculate the LCM of 30681 and 30691.

LCM(30681,30691) = 3² × 7¹ × 487¹ × 47¹ × 653¹
LCM(30681,30691) = 941630571