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What is the Least Common Multiple of 71788 and 71804?

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 71788 and 71804 is 1288666388.

LCM(71788,71804) = 1288666388

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Least Common Multiple of 71788 and 71804 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71788 and 71804, than apply into the LCM equation.

GCF(71788,71804) = 4
LCM(71788,71804) = ( 71788 × 71804) / 4
LCM(71788,71804) = 5154665552 / 4
LCM(71788,71804) = 1288666388

Least Common Multiple (LCM) of 71788 and 71804 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71788 and 71804. First we will calculate the prime factors of 71788 and 71804.

Prime Factorization of 71788

Prime factors of 71788 are 2, 131, 137. Prime factorization of 71788 in exponential form is:

71788 = 22 × 1311 × 1371

Prime Factorization of 71804

Prime factors of 71804 are 2, 29, 619. Prime factorization of 71804 in exponential form is:

71804 = 22 × 291 × 6191

Now multiplying the highest exponent prime factors to calculate the LCM of 71788 and 71804.

LCM(71788,71804) = 22 × 1311 × 1371 × 291 × 6191
LCM(71788,71804) = 1288666388