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What is the Least Common Multiple of 823 and 833?

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 823 and 833 is 685559.

LCM(823,833) = 685559

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Least Common Multiple of 823 and 833 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 823 and 833, than apply into the LCM equation.

GCF(823,833) = 1
LCM(823,833) = ( 823 × 833) / 1
LCM(823,833) = 685559 / 1
LCM(823,833) = 685559

Least Common Multiple (LCM) of 823 and 833 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 823 and 833. First we will calculate the prime factors of 823 and 833.

Prime Factorization of 823

Prime factors of 823 are 823. Prime factorization of 823 in exponential form is:

823 = 8231

Prime Factorization of 833

Prime factors of 833 are 7, 17. Prime factorization of 833 in exponential form is:

833 = 72 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 823 and 833.

LCM(823,833) = 8231 × 72 × 171
LCM(823,833) = 685559