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What is the Least Common Multiple of 82390 and 82399?

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 82390 and 82399 is 6788853610.

LCM(82390,82399) = 6788853610

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Least Common Multiple of 82390 and 82399 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82390 and 82399, than apply into the LCM equation.

GCF(82390,82399) = 1
LCM(82390,82399) = ( 82390 × 82399) / 1
LCM(82390,82399) = 6788853610 / 1
LCM(82390,82399) = 6788853610

Least Common Multiple (LCM) of 82390 and 82399 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82390 and 82399. First we will calculate the prime factors of 82390 and 82399.

Prime Factorization of 82390

Prime factors of 82390 are 2, 5, 7, 11, 107. Prime factorization of 82390 in exponential form is:

82390 = 21 × 51 × 71 × 111 × 1071

Prime Factorization of 82399

Prime factors of 82399 are 17, 37, 131. Prime factorization of 82399 in exponential form is:

82399 = 171 × 371 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 82390 and 82399.

LCM(82390,82399) = 21 × 51 × 71 × 111 × 1071 × 171 × 371 × 1311
LCM(82390,82399) = 6788853610