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What is the Least Common Multiple of 494 and 513?

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 494 and 513 is 13338.

LCM(494,513) = 13338

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Least Common Multiple of 494 and 513 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 494 and 513, than apply into the LCM equation.

GCF(494,513) = 19
LCM(494,513) = ( 494 × 513) / 19
LCM(494,513) = 253422 / 19
LCM(494,513) = 13338

Least Common Multiple (LCM) of 494 and 513 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 494 and 513. First we will calculate the prime factors of 494 and 513.

Prime Factorization of 494

Prime factors of 494 are 2, 13, 19. Prime factorization of 494 in exponential form is:

494 = 21 × 131 × 191

Prime Factorization of 513

Prime factors of 513 are 3, 19. Prime factorization of 513 in exponential form is:

513 = 33 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 494 and 513.

LCM(494,513) = 21 × 131 × 191 × 33
LCM(494,513) = 13338