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What is the Least Common Multiple of 18892 and 18905?

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 18892 and 18905 is 357153260.

LCM(18892,18905) = 357153260

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Least Common Multiple of 18892 and 18905 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18892 and 18905, than apply into the LCM equation.

GCF(18892,18905) = 1
LCM(18892,18905) = ( 18892 × 18905) / 1
LCM(18892,18905) = 357153260 / 1
LCM(18892,18905) = 357153260

Least Common Multiple (LCM) of 18892 and 18905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18892 and 18905. First we will calculate the prime factors of 18892 and 18905.

Prime Factorization of 18892

Prime factors of 18892 are 2, 4723. Prime factorization of 18892 in exponential form is:

18892 = 22 × 47231

Prime Factorization of 18905

Prime factors of 18905 are 5, 19, 199. Prime factorization of 18905 in exponential form is:

18905 = 51 × 191 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 18892 and 18905.

LCM(18892,18905) = 22 × 47231 × 51 × 191 × 1991
LCM(18892,18905) = 357153260