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What is the Least Common Multiple of 6340 and 6358?

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 6340 and 6358 is 20154860.

LCM(6340,6358) = 20154860

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Least Common Multiple of 6340 and 6358 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6340 and 6358, than apply into the LCM equation.

GCF(6340,6358) = 2
LCM(6340,6358) = ( 6340 × 6358) / 2
LCM(6340,6358) = 40309720 / 2
LCM(6340,6358) = 20154860

Least Common Multiple (LCM) of 6340 and 6358 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6340 and 6358. First we will calculate the prime factors of 6340 and 6358.

Prime Factorization of 6340

Prime factors of 6340 are 2, 5, 317. Prime factorization of 6340 in exponential form is:

6340 = 22 × 51 × 3171

Prime Factorization of 6358

Prime factors of 6358 are 2, 11, 17. Prime factorization of 6358 in exponential form is:

6358 = 21 × 111 × 172

Now multiplying the highest exponent prime factors to calculate the LCM of 6340 and 6358.

LCM(6340,6358) = 22 × 51 × 3171 × 111 × 172
LCM(6340,6358) = 20154860