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What is the Least Common Multiple of 83821 and 83838?

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 83821 and 83838 is 7027384998.

LCM(83821,83838) = 7027384998

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Least Common Multiple of 83821 and 83838 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83821 and 83838, than apply into the LCM equation.

GCF(83821,83838) = 1
LCM(83821,83838) = ( 83821 × 83838) / 1
LCM(83821,83838) = 7027384998 / 1
LCM(83821,83838) = 7027384998

Least Common Multiple (LCM) of 83821 and 83838 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83821 and 83838. First we will calculate the prime factors of 83821 and 83838.

Prime Factorization of 83821

Prime factors of 83821 are 109, 769. Prime factorization of 83821 in exponential form is:

83821 = 1091 × 7691

Prime Factorization of 83838

Prime factors of 83838 are 2, 3, 89, 157. Prime factorization of 83838 in exponential form is:

83838 = 21 × 31 × 891 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 83821 and 83838.

LCM(83821,83838) = 1091 × 7691 × 21 × 31 × 891 × 1571
LCM(83821,83838) = 7027384998