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What is the Least Common Multiple of 6562 and 6582?

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 6562 and 6582 is 21595542.

LCM(6562,6582) = 21595542

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Least Common Multiple of 6562 and 6582 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6562 and 6582, than apply into the LCM equation.

GCF(6562,6582) = 2
LCM(6562,6582) = ( 6562 × 6582) / 2
LCM(6562,6582) = 43191084 / 2
LCM(6562,6582) = 21595542

Least Common Multiple (LCM) of 6562 and 6582 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6562 and 6582. First we will calculate the prime factors of 6562 and 6582.

Prime Factorization of 6562

Prime factors of 6562 are 2, 17, 193. Prime factorization of 6562 in exponential form is:

6562 = 21 × 171 × 1931

Prime Factorization of 6582

Prime factors of 6582 are 2, 3, 1097. Prime factorization of 6582 in exponential form is:

6582 = 21 × 31 × 10971

Now multiplying the highest exponent prime factors to calculate the LCM of 6562 and 6582.

LCM(6562,6582) = 21 × 171 × 1931 × 31 × 10971
LCM(6562,6582) = 21595542