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What is the Least Common Multiple of 13800 and 13816?

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 13800 and 13816 is 23832600.

LCM(13800,13816) = 23832600

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Least Common Multiple of 13800 and 13816 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13800 and 13816, than apply into the LCM equation.

GCF(13800,13816) = 8
LCM(13800,13816) = ( 13800 × 13816) / 8
LCM(13800,13816) = 190660800 / 8
LCM(13800,13816) = 23832600

Least Common Multiple (LCM) of 13800 and 13816 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13800 and 13816. First we will calculate the prime factors of 13800 and 13816.

Prime Factorization of 13800

Prime factors of 13800 are 2, 3, 5, 23. Prime factorization of 13800 in exponential form is:

13800 = 23 × 31 × 52 × 231

Prime Factorization of 13816

Prime factors of 13816 are 2, 11, 157. Prime factorization of 13816 in exponential form is:

13816 = 23 × 111 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 13800 and 13816.

LCM(13800,13816) = 23 × 31 × 52 × 231 × 111 × 1571
LCM(13800,13816) = 23832600