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What is the Least Common Multiple of 7823 and 7828?

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 7823 and 7828 is 61238444.

LCM(7823,7828) = 61238444

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Least Common Multiple of 7823 and 7828 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7823 and 7828, than apply into the LCM equation.

GCF(7823,7828) = 1
LCM(7823,7828) = ( 7823 × 7828) / 1
LCM(7823,7828) = 61238444 / 1
LCM(7823,7828) = 61238444

Least Common Multiple (LCM) of 7823 and 7828 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7823 and 7828. First we will calculate the prime factors of 7823 and 7828.

Prime Factorization of 7823

Prime factors of 7823 are 7823. Prime factorization of 7823 in exponential form is:

7823 = 78231

Prime Factorization of 7828

Prime factors of 7828 are 2, 19, 103. Prime factorization of 7828 in exponential form is:

7828 = 22 × 191 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 7823 and 7828.

LCM(7823,7828) = 78231 × 22 × 191 × 1031
LCM(7823,7828) = 61238444