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What is the Least Common Multiple of 6429 and 6439?

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 6429 and 6439 is 41396331.

LCM(6429,6439) = 41396331

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Least Common Multiple of 6429 and 6439 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6429 and 6439, than apply into the LCM equation.

GCF(6429,6439) = 1
LCM(6429,6439) = ( 6429 × 6439) / 1
LCM(6429,6439) = 41396331 / 1
LCM(6429,6439) = 41396331

Least Common Multiple (LCM) of 6429 and 6439 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6429 and 6439. First we will calculate the prime factors of 6429 and 6439.

Prime Factorization of 6429

Prime factors of 6429 are 3, 2143. Prime factorization of 6429 in exponential form is:

6429 = 31 × 21431

Prime Factorization of 6439

Prime factors of 6439 are 47, 137. Prime factorization of 6439 in exponential form is:

6439 = 471 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 6429 and 6439.

LCM(6429,6439) = 31 × 21431 × 471 × 1371
LCM(6429,6439) = 41396331