What is the Least Common Multiple of 11240 and 11248?

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 11240 and 11248 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11240 and 11248, than apply into the LCM equation.

GCF(11240,11248) = 8
LCM(11240,11248) = ( 11240 × 11248) / 8
LCM(11240,11248) = 126427520 / 8
LCM(11240,11248) = 15803440

Least Common Multiple (LCM) of 11240 and 11248 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11240 and 11248. First we will calculate the prime factors of 11240 and 11248.

Prime Factorization of 11240

Prime Factorization of 11248

Now multiplying the highest exponent prime factors to calculate the LCM of 11240 and 11248.

LCM(11240,11248) = 2⁴ × 5¹ × 281¹ × 19¹ × 37¹
LCM(11240,11248) = 15803440