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What is the Least Common Multiple of 17470 and 17486?

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 17470 and 17486 is 152740210.

LCM(17470,17486) = 152740210

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Least Common Multiple of 17470 and 17486 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17470 and 17486, than apply into the LCM equation.

GCF(17470,17486) = 2
LCM(17470,17486) = ( 17470 × 17486) / 2
LCM(17470,17486) = 305480420 / 2
LCM(17470,17486) = 152740210

Least Common Multiple (LCM) of 17470 and 17486 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17470 and 17486. First we will calculate the prime factors of 17470 and 17486.

Prime Factorization of 17470

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

17470 = 21 × 51 × 17471

Prime Factorization of 17486

Prime factors of 17486 are 2, 7, 1249. Prime factorization of 17486 in exponential form is:

17486 = 21 × 71 × 12491

Now multiplying the highest exponent prime factors to calculate the LCM of 17470 and 17486.

LCM(17470,17486) = 21 × 51 × 17471 × 71 × 12491
LCM(17470,17486) = 152740210