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What is the Least Common Multiple of 6436 and 6444?

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 6436 and 6444 is 10368396.

LCM(6436,6444) = 10368396

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Least Common Multiple of 6436 and 6444 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6436 and 6444, than apply into the LCM equation.

GCF(6436,6444) = 4
LCM(6436,6444) = ( 6436 × 6444) / 4
LCM(6436,6444) = 41473584 / 4
LCM(6436,6444) = 10368396

Least Common Multiple (LCM) of 6436 and 6444 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6436 and 6444. First we will calculate the prime factors of 6436 and 6444.

Prime Factorization of 6436

Prime factors of 6436 are 2, 1609. Prime factorization of 6436 in exponential form is:

6436 = 22 × 16091

Prime Factorization of 6444

Prime factors of 6444 are 2, 3, 179. Prime factorization of 6444 in exponential form is:

6444 = 22 × 32 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 6436 and 6444.

LCM(6436,6444) = 22 × 16091 × 32 × 1791
LCM(6436,6444) = 10368396