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What is the Least Common Multiple of 1296 and 1303?

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 1296 and 1303 is 1688688.

LCM(1296,1303) = 1688688

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Least Common Multiple of 1296 and 1303 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1296 and 1303, than apply into the LCM equation.

GCF(1296,1303) = 1
LCM(1296,1303) = ( 1296 × 1303) / 1
LCM(1296,1303) = 1688688 / 1
LCM(1296,1303) = 1688688

Least Common Multiple (LCM) of 1296 and 1303 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1296 and 1303. First we will calculate the prime factors of 1296 and 1303.

Prime Factorization of 1296

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

1296 = 24 × 34

Prime Factorization of 1303

Prime factors of 1303 are 1303. Prime factorization of 1303 in exponential form is:

1303 = 13031

Now multiplying the highest exponent prime factors to calculate the LCM of 1296 and 1303.

LCM(1296,1303) = 24 × 34 × 13031
LCM(1296,1303) = 1688688