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What is the Least Common Multiple of 18741 and 18755?

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 18741 and 18755 is 351487455.

LCM(18741,18755) = 351487455

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Least Common Multiple of 18741 and 18755 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18741 and 18755, than apply into the LCM equation.

GCF(18741,18755) = 1
LCM(18741,18755) = ( 18741 × 18755) / 1
LCM(18741,18755) = 351487455 / 1
LCM(18741,18755) = 351487455

Least Common Multiple (LCM) of 18741 and 18755 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18741 and 18755. First we will calculate the prime factors of 18741 and 18755.

Prime Factorization of 18741

Prime factors of 18741 are 3, 6247. Prime factorization of 18741 in exponential form is:

18741 = 31 × 62471

Prime Factorization of 18755

Prime factors of 18755 are 5, 11, 31. Prime factorization of 18755 in exponential form is:

18755 = 51 × 112 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 18741 and 18755.

LCM(18741,18755) = 31 × 62471 × 51 × 112 × 311
LCM(18741,18755) = 351487455