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What is the Least Common Multiple of 16289 and 16302?

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 16289 and 16302 is 20426406.

LCM(16289,16302) = 20426406

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Least Common Multiple of 16289 and 16302 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16289 and 16302, than apply into the LCM equation.

GCF(16289,16302) = 13
LCM(16289,16302) = ( 16289 × 16302) / 13
LCM(16289,16302) = 265543278 / 13
LCM(16289,16302) = 20426406

Least Common Multiple (LCM) of 16289 and 16302 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16289 and 16302. First we will calculate the prime factors of 16289 and 16302.

Prime Factorization of 16289

Prime factors of 16289 are 7, 13, 179. Prime factorization of 16289 in exponential form is:

16289 = 71 × 131 × 1791

Prime Factorization of 16302

Prime factors of 16302 are 2, 3, 11, 13, 19. Prime factorization of 16302 in exponential form is:

16302 = 21 × 31 × 111 × 131 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 16289 and 16302.

LCM(16289,16302) = 71 × 131 × 1791 × 21 × 31 × 111 × 191
LCM(16289,16302) = 20426406