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What is the Least Common Multiple of 28436 and 28453?

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 28436 and 28453 is 809089508.

LCM(28436,28453) = 809089508

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Least Common Multiple of 28436 and 28453 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28436 and 28453, than apply into the LCM equation.

GCF(28436,28453) = 1
LCM(28436,28453) = ( 28436 × 28453) / 1
LCM(28436,28453) = 809089508 / 1
LCM(28436,28453) = 809089508

Least Common Multiple (LCM) of 28436 and 28453 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28436 and 28453. First we will calculate the prime factors of 28436 and 28453.

Prime Factorization of 28436

Prime factors of 28436 are 2, 7109. Prime factorization of 28436 in exponential form is:

28436 = 22 × 71091

Prime Factorization of 28453

Prime factors of 28453 are 37, 769. Prime factorization of 28453 in exponential form is:

28453 = 371 × 7691

Now multiplying the highest exponent prime factors to calculate the LCM of 28436 and 28453.

LCM(28436,28453) = 22 × 71091 × 371 × 7691
LCM(28436,28453) = 809089508