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What is the Least Common Multiple of 67392 and 67404?

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 67392 and 67404 is 378540864.

LCM(67392,67404) = 378540864

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Least Common Multiple of 67392 and 67404 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67392 and 67404, than apply into the LCM equation.

GCF(67392,67404) = 12
LCM(67392,67404) = ( 67392 × 67404) / 12
LCM(67392,67404) = 4542490368 / 12
LCM(67392,67404) = 378540864

Least Common Multiple (LCM) of 67392 and 67404 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67392 and 67404. First we will calculate the prime factors of 67392 and 67404.

Prime Factorization of 67392

Prime factors of 67392 are 2, 3, 13. Prime factorization of 67392 in exponential form is:

67392 = 26 × 34 × 131

Prime Factorization of 67404

Prime factors of 67404 are 2, 3, 41, 137. Prime factorization of 67404 in exponential form is:

67404 = 22 × 31 × 411 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 67392 and 67404.

LCM(67392,67404) = 26 × 34 × 131 × 411 × 1371
LCM(67392,67404) = 378540864