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What is the Least Common Multiple of 2244 and 2256?

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 (LCM) of 2244 and 2256 is 421872.

LCM(2244,2256) = 421872

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Least Common Multiple of 2244 and 2256 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2244 and 2256, than apply into the LCM equation.

GCF(2244,2256) = 12
LCM(2244,2256) = ( 2244 × 2256) / 12
LCM(2244,2256) = 5062464 / 12
LCM(2244,2256) = 421872

Least Common Multiple (LCM) of 2244 and 2256 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2244 and 2256. First we will calculate the prime factors of 2244 and 2256.

Prime Factorization of 2244

Prime factors of 2244 are 2, 3, 11, 17. Prime factorization of 2244 in exponential form is:

2244 = 22 × 31 × 111 × 171

Prime Factorization of 2256

Prime factors of 2256 are 2, 3, 47. Prime factorization of 2256 in exponential form is:

2256 = 24 × 31 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 2244 and 2256.

LCM(2244,2256) = 24 × 31 × 111 × 171 × 471
LCM(2244,2256) = 421872