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What is the Least Common Multiple of 28238 and 28253?

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 28238 and 28253 is 797808214.

LCM(28238,28253) = 797808214

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Least Common Multiple of 28238 and 28253 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28238 and 28253, than apply into the LCM equation.

GCF(28238,28253) = 1
LCM(28238,28253) = ( 28238 × 28253) / 1
LCM(28238,28253) = 797808214 / 1
LCM(28238,28253) = 797808214

Least Common Multiple (LCM) of 28238 and 28253 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28238 and 28253. First we will calculate the prime factors of 28238 and 28253.

Prime Factorization of 28238

Prime factors of 28238 are 2, 7, 2017. Prime factorization of 28238 in exponential form is:

28238 = 21 × 71 × 20171

Prime Factorization of 28253

Prime factors of 28253 are 19, 1487. Prime factorization of 28253 in exponential form is:

28253 = 191 × 14871

Now multiplying the highest exponent prime factors to calculate the LCM of 28238 and 28253.

LCM(28238,28253) = 21 × 71 × 20171 × 191 × 14871
LCM(28238,28253) = 797808214