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What is the Least Common Multiple of 28747 and 28751?

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 28747 and 28751 is 826504997.

LCM(28747,28751) = 826504997

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Least Common Multiple of 28747 and 28751 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28747 and 28751, than apply into the LCM equation.

GCF(28747,28751) = 1
LCM(28747,28751) = ( 28747 × 28751) / 1
LCM(28747,28751) = 826504997 / 1
LCM(28747,28751) = 826504997

Least Common Multiple (LCM) of 28747 and 28751 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28747 and 28751. First we will calculate the prime factors of 28747 and 28751.

Prime Factorization of 28747

Prime factors of 28747 are 17, 19, 89. Prime factorization of 28747 in exponential form is:

28747 = 171 × 191 × 891

Prime Factorization of 28751

Prime factors of 28751 are 28751. Prime factorization of 28751 in exponential form is:

28751 = 287511

Now multiplying the highest exponent prime factors to calculate the LCM of 28747 and 28751.

LCM(28747,28751) = 171 × 191 × 891 × 287511
LCM(28747,28751) = 826504997