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What is the Least Common Multiple of 17208 and 17221?

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 17208 and 17221 is 296338968.

LCM(17208,17221) = 296338968

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Least Common Multiple of 17208 and 17221 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17208 and 17221, than apply into the LCM equation.

GCF(17208,17221) = 1
LCM(17208,17221) = ( 17208 × 17221) / 1
LCM(17208,17221) = 296338968 / 1
LCM(17208,17221) = 296338968

Least Common Multiple (LCM) of 17208 and 17221 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17208 and 17221. First we will calculate the prime factors of 17208 and 17221.

Prime Factorization of 17208

Prime factors of 17208 are 2, 3, 239. Prime factorization of 17208 in exponential form is:

17208 = 23 × 32 × 2391

Prime Factorization of 17221

Prime factors of 17221 are 17, 1013. Prime factorization of 17221 in exponential form is:

17221 = 171 × 10131

Now multiplying the highest exponent prime factors to calculate the LCM of 17208 and 17221.

LCM(17208,17221) = 23 × 32 × 2391 × 171 × 10131
LCM(17208,17221) = 296338968