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What is the Least Common Multiple of 81822 and 81837?

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 81822 and 81837 is 2232022338.

LCM(81822,81837) = 2232022338

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Least Common Multiple of 81822 and 81837 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81822 and 81837, than apply into the LCM equation.

GCF(81822,81837) = 3
LCM(81822,81837) = ( 81822 × 81837) / 3
LCM(81822,81837) = 6696067014 / 3
LCM(81822,81837) = 2232022338

Least Common Multiple (LCM) of 81822 and 81837 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81822 and 81837. First we will calculate the prime factors of 81822 and 81837.

Prime Factorization of 81822

Prime factors of 81822 are 2, 3, 13, 1049. Prime factorization of 81822 in exponential form is:

81822 = 21 × 31 × 131 × 10491

Prime Factorization of 81837

Prime factors of 81837 are 3, 7, 433. Prime factorization of 81837 in exponential form is:

81837 = 33 × 71 × 4331

Now multiplying the highest exponent prime factors to calculate the LCM of 81822 and 81837.

LCM(81822,81837) = 21 × 33 × 131 × 10491 × 71 × 4331
LCM(81822,81837) = 2232022338