What is the Least Common Multiple of 10721 and 10731?

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 10721 and 10731 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10721 and 10731, than apply into the LCM equation.

GCF(10721,10731) = 1
LCM(10721,10731) = ( 10721 × 10731) / 1
LCM(10721,10731) = 115047051 / 1
LCM(10721,10731) = 115047051

Least Common Multiple (LCM) of 10721 and 10731 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10721 and 10731. First we will calculate the prime factors of 10721 and 10731.

Prime Factorization of 10721

Prime Factorization of 10731

Now multiplying the highest exponent prime factors to calculate the LCM of 10721 and 10731.

LCM(10721,10731) = 71¹ × 151¹ × 3¹ × 7² × 73¹
LCM(10721,10731) = 115047051