What is the Least Common Multiple of 5691 and 5697?

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 5691 and 5697 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5691 and 5697, than apply into the LCM equation.

GCF(5691,5697) = 3
LCM(5691,5697) = ( 5691 × 5697) / 3
LCM(5691,5697) = 32421627 / 3
LCM(5691,5697) = 10807209

Least Common Multiple (LCM) of 5691 and 5697 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5691 and 5697. First we will calculate the prime factors of 5691 and 5697.

Prime Factorization of 5691

Prime Factorization of 5697

Now multiplying the highest exponent prime factors to calculate the LCM of 5691 and 5697.

LCM(5691,5697) = 3³ × 7¹ × 271¹ × 211¹
LCM(5691,5697) = 10807209