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What is the Least Common Multiple of 804 and 824?

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 804 and 824 is 165624.

LCM(804,824) = 165624

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Least Common Multiple of 804 and 824 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 804 and 824, than apply into the LCM equation.

GCF(804,824) = 4
LCM(804,824) = ( 804 × 824) / 4
LCM(804,824) = 662496 / 4
LCM(804,824) = 165624

Least Common Multiple (LCM) of 804 and 824 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 804 and 824. First we will calculate the prime factors of 804 and 824.

Prime Factorization of 804

Prime factors of 804 are 2, 3, 67. Prime factorization of 804 in exponential form is:

804 = 22 × 31 × 671

Prime Factorization of 824

Prime factors of 824 are 2, 103. Prime factorization of 824 in exponential form is:

824 = 23 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 804 and 824.

LCM(804,824) = 23 × 31 × 671 × 1031
LCM(804,824) = 165624