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What is the Least Common Multiple of 72819 and 72838?

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 72838 is 5303990322.

LCM(72819,72838) = 5303990322

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Least Common Multiple of 72819 and 72838 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 72838, than apply into the LCM equation.

GCF(72819,72838) = 1
LCM(72819,72838) = ( 72819 × 72838) / 1
LCM(72819,72838) = 5303990322 / 1
LCM(72819,72838) = 5303990322

Least Common Multiple (LCM) of 72819 and 72838 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72819 and 72838. First we will calculate the prime factors of 72819 and 72838.

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 72838

Prime factors of 72838 are 2, 79, 461. Prime factorization of 72838 in exponential form is:

72838 = 21 × 791 × 4611

Now multiplying the highest exponent prime factors to calculate the LCM of 72819 and 72838.

LCM(72819,72838) = 34 × 291 × 311 × 21 × 791 × 4611
LCM(72819,72838) = 5303990322