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What is the Least Common Multiple of 56784 and 56804?

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 56784 and 56804 is 806389584.

LCM(56784,56804) = 806389584

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Least Common Multiple of 56784 and 56804 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56784 and 56804, than apply into the LCM equation.

GCF(56784,56804) = 4
LCM(56784,56804) = ( 56784 × 56804) / 4
LCM(56784,56804) = 3225558336 / 4
LCM(56784,56804) = 806389584

Least Common Multiple (LCM) of 56784 and 56804 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56784 and 56804. First we will calculate the prime factors of 56784 and 56804.

Prime Factorization of 56784

Prime factors of 56784 are 2, 3, 7, 13. Prime factorization of 56784 in exponential form is:

56784 = 24 × 31 × 71 × 132

Prime Factorization of 56804

Prime factors of 56804 are 2, 11, 1291. Prime factorization of 56804 in exponential form is:

56804 = 22 × 111 × 12911

Now multiplying the highest exponent prime factors to calculate the LCM of 56784 and 56804.

LCM(56784,56804) = 24 × 31 × 71 × 132 × 111 × 12911
LCM(56784,56804) = 806389584