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What is the Least Common Multiple of 1296 and 1304?

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 1304 is 211248.

LCM(1296,1304) = 211248

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Least Common Multiple of 1296 and 1304 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 1304, than apply into the LCM equation.

GCF(1296,1304) = 8
LCM(1296,1304) = ( 1296 × 1304) / 8
LCM(1296,1304) = 1689984 / 8
LCM(1296,1304) = 211248

Least Common Multiple (LCM) of 1296 and 1304 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1296 and 1304. First we will calculate the prime factors of 1296 and 1304.

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 1304

Prime factors of 1304 are 2, 163. Prime factorization of 1304 in exponential form is:

1304 = 23 × 1631

Now multiplying the highest exponent prime factors to calculate the LCM of 1296 and 1304.

LCM(1296,1304) = 24 × 34 × 1631
LCM(1296,1304) = 211248