GCF and LCM Calculator Logo

What is the Least Common Multiple of 6342 and 6351?

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 6342 and 6351 is 13426014.

LCM(6342,6351) = 13426014

LCM Calculator and
and

Least Common Multiple of 6342 and 6351 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6342 and 6351, than apply into the LCM equation.

GCF(6342,6351) = 3
LCM(6342,6351) = ( 6342 × 6351) / 3
LCM(6342,6351) = 40278042 / 3
LCM(6342,6351) = 13426014

Least Common Multiple (LCM) of 6342 and 6351 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6342 and 6351. First we will calculate the prime factors of 6342 and 6351.

Prime Factorization of 6342

Prime factors of 6342 are 2, 3, 7, 151. Prime factorization of 6342 in exponential form is:

6342 = 21 × 31 × 71 × 1511

Prime Factorization of 6351

Prime factors of 6351 are 3, 29, 73. Prime factorization of 6351 in exponential form is:

6351 = 31 × 291 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 6342 and 6351.

LCM(6342,6351) = 21 × 31 × 71 × 1511 × 291 × 731
LCM(6342,6351) = 13426014