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What is the Least Common Multiple of 83581 and 83586?

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 83581 and 83586 is 6986201466.

LCM(83581,83586) = 6986201466

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Least Common Multiple of 83581 and 83586 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83581 and 83586, than apply into the LCM equation.

GCF(83581,83586) = 1
LCM(83581,83586) = ( 83581 × 83586) / 1
LCM(83581,83586) = 6986201466 / 1
LCM(83581,83586) = 6986201466

Least Common Multiple (LCM) of 83581 and 83586 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83581 and 83586. First we will calculate the prime factors of 83581 and 83586.

Prime Factorization of 83581

Prime factors of 83581 are 19, 53, 83. Prime factorization of 83581 in exponential form is:

83581 = 191 × 531 × 831

Prime Factorization of 83586

Prime factors of 83586 are 2, 3, 13931. Prime factorization of 83586 in exponential form is:

83586 = 21 × 31 × 139311

Now multiplying the highest exponent prime factors to calculate the LCM of 83581 and 83586.

LCM(83581,83586) = 191 × 531 × 831 × 21 × 31 × 139311
LCM(83581,83586) = 6986201466