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What is the Least Common Multiple of 69173 and 69180?

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 69173 and 69180 is 4785388140.

LCM(69173,69180) = 4785388140

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Least Common Multiple of 69173 and 69180 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69173 and 69180, than apply into the LCM equation.

GCF(69173,69180) = 1
LCM(69173,69180) = ( 69173 × 69180) / 1
LCM(69173,69180) = 4785388140 / 1
LCM(69173,69180) = 4785388140

Least Common Multiple (LCM) of 69173 and 69180 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69173 and 69180. First we will calculate the prime factors of 69173 and 69180.

Prime Factorization of 69173

Prime factors of 69173 are 13, 17, 313. Prime factorization of 69173 in exponential form is:

69173 = 131 × 171 × 3131

Prime Factorization of 69180

Prime factors of 69180 are 2, 3, 5, 1153. Prime factorization of 69180 in exponential form is:

69180 = 22 × 31 × 51 × 11531

Now multiplying the highest exponent prime factors to calculate the LCM of 69173 and 69180.

LCM(69173,69180) = 131 × 171 × 3131 × 22 × 31 × 51 × 11531
LCM(69173,69180) = 4785388140