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What is the Least Common Multiple of 17138 and 17156?

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 17138 and 17156 is 147009764.

LCM(17138,17156) = 147009764

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Least Common Multiple of 17138 and 17156 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17138 and 17156, than apply into the LCM equation.

GCF(17138,17156) = 2
LCM(17138,17156) = ( 17138 × 17156) / 2
LCM(17138,17156) = 294019528 / 2
LCM(17138,17156) = 147009764

Least Common Multiple (LCM) of 17138 and 17156 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17138 and 17156. First we will calculate the prime factors of 17138 and 17156.

Prime Factorization of 17138

Prime factors of 17138 are 2, 11, 19, 41. Prime factorization of 17138 in exponential form is:

17138 = 21 × 111 × 191 × 411

Prime Factorization of 17156

Prime factors of 17156 are 2, 4289. Prime factorization of 17156 in exponential form is:

17156 = 22 × 42891

Now multiplying the highest exponent prime factors to calculate the LCM of 17138 and 17156.

LCM(17138,17156) = 22 × 111 × 191 × 411 × 42891
LCM(17138,17156) = 147009764