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What is the Least Common Multiple of 8388 and 8393?

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 8388 and 8393 is 70400484.

LCM(8388,8393) = 70400484

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Least Common Multiple of 8388 and 8393 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8388 and 8393, than apply into the LCM equation.

GCF(8388,8393) = 1
LCM(8388,8393) = ( 8388 × 8393) / 1
LCM(8388,8393) = 70400484 / 1
LCM(8388,8393) = 70400484

Least Common Multiple (LCM) of 8388 and 8393 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8388 and 8393. First we will calculate the prime factors of 8388 and 8393.

Prime Factorization of 8388

Prime factors of 8388 are 2, 3, 233. Prime factorization of 8388 in exponential form is:

8388 = 22 × 32 × 2331

Prime Factorization of 8393

Prime factors of 8393 are 7, 11, 109. Prime factorization of 8393 in exponential form is:

8393 = 71 × 111 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 8388 and 8393.

LCM(8388,8393) = 22 × 32 × 2331 × 71 × 111 × 1091
LCM(8388,8393) = 70400484