What is the Least Common Multiple of 10721 and 10729?

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 10729 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 10729, than apply into the LCM equation.

GCF(10721,10729) = 1
LCM(10721,10729) = ( 10721 × 10729) / 1
LCM(10721,10729) = 115025609 / 1
LCM(10721,10729) = 115025609

Least Common Multiple (LCM) of 10721 and 10729 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10721 and 10729. First we will calculate the prime factors of 10721 and 10729.

Prime Factorization of 10721

Prime Factorization of 10729

Now multiplying the highest exponent prime factors to calculate the LCM of 10721 and 10729.

LCM(10721,10729) = 71¹ × 151¹ × 10729¹
LCM(10721,10729) = 115025609