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What is the Least Common Multiple of 82380 and 82391?

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 82380 and 82391 is 6787370580.

LCM(82380,82391) = 6787370580

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Least Common Multiple of 82380 and 82391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82380 and 82391, than apply into the LCM equation.

GCF(82380,82391) = 1
LCM(82380,82391) = ( 82380 × 82391) / 1
LCM(82380,82391) = 6787370580 / 1
LCM(82380,82391) = 6787370580

Least Common Multiple (LCM) of 82380 and 82391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82380 and 82391. First we will calculate the prime factors of 82380 and 82391.

Prime Factorization of 82380

Prime factors of 82380 are 2, 3, 5, 1373. Prime factorization of 82380 in exponential form is:

82380 = 22 × 31 × 51 × 13731

Prime Factorization of 82391

Prime factors of 82391 are 47, 1753. Prime factorization of 82391 in exponential form is:

82391 = 471 × 17531

Now multiplying the highest exponent prime factors to calculate the LCM of 82380 and 82391.

LCM(82380,82391) = 22 × 31 × 51 × 13731 × 471 × 17531
LCM(82380,82391) = 6787370580