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What is the Least Common Multiple of 64398 and 64404?

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 64398 and 64404 is 691248132.

LCM(64398,64404) = 691248132

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Least Common Multiple of 64398 and 64404 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64398 and 64404, than apply into the LCM equation.

GCF(64398,64404) = 6
LCM(64398,64404) = ( 64398 × 64404) / 6
LCM(64398,64404) = 4147488792 / 6
LCM(64398,64404) = 691248132

Least Common Multiple (LCM) of 64398 and 64404 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64398 and 64404. First we will calculate the prime factors of 64398 and 64404.

Prime Factorization of 64398

Prime factors of 64398 are 2, 3, 10733. Prime factorization of 64398 in exponential form is:

64398 = 21 × 31 × 107331

Prime Factorization of 64404

Prime factors of 64404 are 2, 3, 1789. Prime factorization of 64404 in exponential form is:

64404 = 22 × 32 × 17891

Now multiplying the highest exponent prime factors to calculate the LCM of 64398 and 64404.

LCM(64398,64404) = 22 × 32 × 107331 × 17891
LCM(64398,64404) = 691248132