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What is the Least Common Multiple of 1283 and 1296?

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 1283 and 1296 is 1662768.

LCM(1283,1296) = 1662768

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Least Common Multiple of 1283 and 1296 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1283 and 1296, than apply into the LCM equation.

GCF(1283,1296) = 1
LCM(1283,1296) = ( 1283 × 1296) / 1
LCM(1283,1296) = 1662768 / 1
LCM(1283,1296) = 1662768

Least Common Multiple (LCM) of 1283 and 1296 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1283 and 1296. First we will calculate the prime factors of 1283 and 1296.

Prime Factorization of 1283

Prime factors of 1283 are 1283. Prime factorization of 1283 in exponential form is:

1283 = 12831

Prime Factorization of 1296

Prime factors of 1296 are 2, 3. Prime factorization of 1296 in exponential form is:

1296 = 24 × 34

Now multiplying the highest exponent prime factors to calculate the LCM of 1283 and 1296.

LCM(1283,1296) = 12831 × 24 × 34
LCM(1283,1296) = 1662768