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What is the Least Common Multiple of 7839 and 7852?

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 7839 and 7852 is 4734756.

LCM(7839,7852) = 4734756

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Least Common Multiple of 7839 and 7852 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7839 and 7852, than apply into the LCM equation.

GCF(7839,7852) = 13
LCM(7839,7852) = ( 7839 × 7852) / 13
LCM(7839,7852) = 61551828 / 13
LCM(7839,7852) = 4734756

Least Common Multiple (LCM) of 7839 and 7852 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7839 and 7852. First we will calculate the prime factors of 7839 and 7852.

Prime Factorization of 7839

Prime factors of 7839 are 3, 13, 67. Prime factorization of 7839 in exponential form is:

7839 = 32 × 131 × 671

Prime Factorization of 7852

Prime factors of 7852 are 2, 13, 151. Prime factorization of 7852 in exponential form is:

7852 = 22 × 131 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 7839 and 7852.

LCM(7839,7852) = 32 × 131 × 671 × 22 × 1511
LCM(7839,7852) = 4734756