What is the Least Common Multiple of 3240 and 3248?

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 3240 and 3248 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3240 and 3248, than apply into the LCM equation.

GCF(3240,3248) = 8
LCM(3240,3248) = ( 3240 × 3248) / 8
LCM(3240,3248) = 10523520 / 8
LCM(3240,3248) = 1315440

Least Common Multiple (LCM) of 3240 and 3248 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3240 and 3248. First we will calculate the prime factors of 3240 and 3248.

Prime Factorization of 3240

Prime Factorization of 3248

Now multiplying the highest exponent prime factors to calculate the LCM of 3240 and 3248.

LCM(3240,3248) = 2⁴ × 3⁴ × 5¹ × 7¹ × 29¹
LCM(3240,3248) = 1315440