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What is the Least Common Multiple of 13604 and 13622?

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 13604 and 13622 is 92656844.

LCM(13604,13622) = 92656844

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Least Common Multiple of 13604 and 13622 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13604 and 13622, than apply into the LCM equation.

GCF(13604,13622) = 2
LCM(13604,13622) = ( 13604 × 13622) / 2
LCM(13604,13622) = 185313688 / 2
LCM(13604,13622) = 92656844

Least Common Multiple (LCM) of 13604 and 13622 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13604 and 13622. First we will calculate the prime factors of 13604 and 13622.

Prime Factorization of 13604

Prime factors of 13604 are 2, 19, 179. Prime factorization of 13604 in exponential form is:

13604 = 22 × 191 × 1791

Prime Factorization of 13622

Prime factors of 13622 are 2, 7, 139. Prime factorization of 13622 in exponential form is:

13622 = 21 × 72 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 13604 and 13622.

LCM(13604,13622) = 22 × 191 × 1791 × 72 × 1391
LCM(13604,13622) = 92656844