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What is the Least Common Multiple of 3438 and 3447?

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 3438 and 3447 is 1316754.

LCM(3438,3447) = 1316754

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Least Common Multiple of 3438 and 3447 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3438 and 3447, than apply into the LCM equation.

GCF(3438,3447) = 9
LCM(3438,3447) = ( 3438 × 3447) / 9
LCM(3438,3447) = 11850786 / 9
LCM(3438,3447) = 1316754

Least Common Multiple (LCM) of 3438 and 3447 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3438 and 3447. First we will calculate the prime factors of 3438 and 3447.

Prime Factorization of 3438

Prime factors of 3438 are 2, 3, 191. Prime factorization of 3438 in exponential form is:

3438 = 21 × 32 × 1911

Prime Factorization of 3447

Prime factors of 3447 are 3, 383. Prime factorization of 3447 in exponential form is:

3447 = 32 × 3831

Now multiplying the highest exponent prime factors to calculate the LCM of 3438 and 3447.

LCM(3438,3447) = 21 × 32 × 1911 × 3831
LCM(3438,3447) = 1316754