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What is the Least Common Multiple of 17454 and 17470?

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 17454 and 17470 is 152460690.

LCM(17454,17470) = 152460690

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Least Common Multiple of 17454 and 17470 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17454 and 17470, than apply into the LCM equation.

GCF(17454,17470) = 2
LCM(17454,17470) = ( 17454 × 17470) / 2
LCM(17454,17470) = 304921380 / 2
LCM(17454,17470) = 152460690

Least Common Multiple (LCM) of 17454 and 17470 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17454 and 17470. First we will calculate the prime factors of 17454 and 17470.

Prime Factorization of 17454

Prime factors of 17454 are 2, 3, 2909. Prime factorization of 17454 in exponential form is:

17454 = 21 × 31 × 29091

Prime Factorization of 17470

Prime factors of 17470 are 2, 5, 1747. Prime factorization of 17470 in exponential form is:

17470 = 21 × 51 × 17471

Now multiplying the highest exponent prime factors to calculate the LCM of 17454 and 17470.

LCM(17454,17470) = 21 × 31 × 29091 × 51 × 17471
LCM(17454,17470) = 152460690