What is the Least Common Multiple of 13491 and 13497?

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 13491 and 13497 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13491 and 13497, than apply into the LCM equation.

GCF(13491,13497) = 3
LCM(13491,13497) = ( 13491 × 13497) / 3
LCM(13491,13497) = 182088027 / 3
LCM(13491,13497) = 60696009

Least Common Multiple (LCM) of 13491 and 13497 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13491 and 13497. First we will calculate the prime factors of 13491 and 13497.

Prime Factorization of 13491

Prime Factorization of 13497

Now multiplying the highest exponent prime factors to calculate the LCM of 13491 and 13497.

LCM(13491,13497) = 3² × 1499¹ × 11¹ × 409¹
LCM(13491,13497) = 60696009