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What is the Least Common Multiple of 6318 and 6322?

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 6318 and 6322 is 19971198.

LCM(6318,6322) = 19971198

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Least Common Multiple of 6318 and 6322 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6318 and 6322, than apply into the LCM equation.

GCF(6318,6322) = 2
LCM(6318,6322) = ( 6318 × 6322) / 2
LCM(6318,6322) = 39942396 / 2
LCM(6318,6322) = 19971198

Least Common Multiple (LCM) of 6318 and 6322 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6318 and 6322. First we will calculate the prime factors of 6318 and 6322.

Prime Factorization of 6318

Prime factors of 6318 are 2, 3, 13. Prime factorization of 6318 in exponential form is:

6318 = 21 × 35 × 131

Prime Factorization of 6322

Prime factors of 6322 are 2, 29, 109. Prime factorization of 6322 in exponential form is:

6322 = 21 × 291 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 6318 and 6322.

LCM(6318,6322) = 21 × 35 × 131 × 291 × 1091
LCM(6318,6322) = 19971198