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What is the Least Common Multiple of 72819 and 72830?

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 72819 and 72830 is 5303407770.

LCM(72819,72830) = 5303407770

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Least Common Multiple of 72819 and 72830 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72819 and 72830, than apply into the LCM equation.

GCF(72819,72830) = 1
LCM(72819,72830) = ( 72819 × 72830) / 1
LCM(72819,72830) = 5303407770 / 1
LCM(72819,72830) = 5303407770

Least Common Multiple (LCM) of 72819 and 72830 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72819 and 72830. First we will calculate the prime factors of 72819 and 72830.

Prime Factorization of 72819

Prime factors of 72819 are 3, 29, 31. Prime factorization of 72819 in exponential form is:

72819 = 34 × 291 × 311

Prime Factorization of 72830

Prime factors of 72830 are 2, 5, 7283. Prime factorization of 72830 in exponential form is:

72830 = 21 × 51 × 72831

Now multiplying the highest exponent prime factors to calculate the LCM of 72819 and 72830.

LCM(72819,72830) = 34 × 291 × 311 × 21 × 51 × 72831
LCM(72819,72830) = 5303407770