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What is the Least Common Multiple of 17218 and 17238?

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 17218 and 17238 is 148401942.

LCM(17218,17238) = 148401942

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Least Common Multiple of 17218 and 17238 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17218 and 17238, than apply into the LCM equation.

GCF(17218,17238) = 2
LCM(17218,17238) = ( 17218 × 17238) / 2
LCM(17218,17238) = 296803884 / 2
LCM(17218,17238) = 148401942

Least Common Multiple (LCM) of 17218 and 17238 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17218 and 17238. First we will calculate the prime factors of 17218 and 17238.

Prime Factorization of 17218

Prime factors of 17218 are 2, 8609. Prime factorization of 17218 in exponential form is:

17218 = 21 × 86091

Prime Factorization of 17238

Prime factors of 17238 are 2, 3, 13, 17. Prime factorization of 17238 in exponential form is:

17238 = 21 × 31 × 132 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 17218 and 17238.

LCM(17218,17238) = 21 × 86091 × 31 × 132 × 171
LCM(17218,17238) = 148401942