What is the Least Common Multiple of 7478 and 7484?

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 7478 and 7484 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7478 and 7484, than apply into the LCM equation.

GCF(7478,7484) = 2
LCM(7478,7484) = ( 7478 × 7484) / 2
LCM(7478,7484) = 55965352 / 2
LCM(7478,7484) = 27982676

Least Common Multiple (LCM) of 7478 and 7484 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7478 and 7484. First we will calculate the prime factors of 7478 and 7484.

Prime Factorization of 7478

Prime Factorization of 7484

Now multiplying the highest exponent prime factors to calculate the LCM of 7478 and 7484.

LCM(7478,7484) = 2² × 3739¹ × 1871¹
LCM(7478,7484) = 27982676