What is the Least Common Multiple of 7491 and 7497?

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 7491 and 7497 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7491 and 7497, than apply into the LCM equation.

GCF(7491,7497) = 3
LCM(7491,7497) = ( 7491 × 7497) / 3
LCM(7491,7497) = 56160027 / 3
LCM(7491,7497) = 18720009

Least Common Multiple (LCM) of 7491 and 7497 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7491 and 7497. First we will calculate the prime factors of 7491 and 7497.

Prime Factorization of 7491

Prime Factorization of 7497

Now multiplying the highest exponent prime factors to calculate the LCM of 7491 and 7497.

LCM(7491,7497) = 3² × 11¹ × 227¹ × 7² × 17¹
LCM(7491,7497) = 18720009