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What is the Least Common Multiple of 17853 and 17871?

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 17853 and 17871 is 106350321.

LCM(17853,17871) = 106350321

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Least Common Multiple of 17853 and 17871 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17853 and 17871, than apply into the LCM equation.

GCF(17853,17871) = 3
LCM(17853,17871) = ( 17853 × 17871) / 3
LCM(17853,17871) = 319050963 / 3
LCM(17853,17871) = 106350321

Least Common Multiple (LCM) of 17853 and 17871 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17853 and 17871. First we will calculate the prime factors of 17853 and 17871.

Prime Factorization of 17853

Prime factors of 17853 are 3, 11, 541. Prime factorization of 17853 in exponential form is:

17853 = 31 × 111 × 5411

Prime Factorization of 17871

Prime factors of 17871 are 3, 7, 23, 37. Prime factorization of 17871 in exponential form is:

17871 = 31 × 71 × 231 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 17853 and 17871.

LCM(17853,17871) = 31 × 111 × 5411 × 71 × 231 × 371
LCM(17853,17871) = 106350321