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What is the Least Common Multiple of 28216 and 28234?

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 28216 and 28234 is 398325272.

LCM(28216,28234) = 398325272

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Least Common Multiple of 28216 and 28234 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28216 and 28234, than apply into the LCM equation.

GCF(28216,28234) = 2
LCM(28216,28234) = ( 28216 × 28234) / 2
LCM(28216,28234) = 796650544 / 2
LCM(28216,28234) = 398325272

Least Common Multiple (LCM) of 28216 and 28234 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28216 and 28234. First we will calculate the prime factors of 28216 and 28234.

Prime Factorization of 28216

Prime factors of 28216 are 2, 3527. Prime factorization of 28216 in exponential form is:

28216 = 23 × 35271

Prime Factorization of 28234

Prime factors of 28234 are 2, 19, 743. Prime factorization of 28234 in exponential form is:

28234 = 21 × 191 × 7431

Now multiplying the highest exponent prime factors to calculate the LCM of 28216 and 28234.

LCM(28216,28234) = 23 × 35271 × 191 × 7431
LCM(28216,28234) = 398325272