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What is the Least Common Multiple of 18208 and 18217?

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 18208 and 18217 is 331695136.

LCM(18208,18217) = 331695136

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Least Common Multiple of 18208 and 18217 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18208 and 18217, than apply into the LCM equation.

GCF(18208,18217) = 1
LCM(18208,18217) = ( 18208 × 18217) / 1
LCM(18208,18217) = 331695136 / 1
LCM(18208,18217) = 331695136

Least Common Multiple (LCM) of 18208 and 18217 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18208 and 18217. First we will calculate the prime factors of 18208 and 18217.

Prime Factorization of 18208

Prime factors of 18208 are 2, 569. Prime factorization of 18208 in exponential form is:

18208 = 25 × 5691

Prime Factorization of 18217

Prime factors of 18217 are 18217. Prime factorization of 18217 in exponential form is:

18217 = 182171

Now multiplying the highest exponent prime factors to calculate the LCM of 18208 and 18217.

LCM(18208,18217) = 25 × 5691 × 182171
LCM(18208,18217) = 331695136