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What is the Least Common Multiple of 5438 and 5446?

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 5438 and 5446 is 14807674.

LCM(5438,5446) = 14807674

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Least Common Multiple of 5438 and 5446 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5438 and 5446, than apply into the LCM equation.

GCF(5438,5446) = 2
LCM(5438,5446) = ( 5438 × 5446) / 2
LCM(5438,5446) = 29615348 / 2
LCM(5438,5446) = 14807674

Least Common Multiple (LCM) of 5438 and 5446 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5438 and 5446. First we will calculate the prime factors of 5438 and 5446.

Prime Factorization of 5438

Prime factors of 5438 are 2, 2719. Prime factorization of 5438 in exponential form is:

5438 = 21 × 27191

Prime Factorization of 5446

Prime factors of 5446 are 2, 7, 389. Prime factorization of 5446 in exponential form is:

5446 = 21 × 71 × 3891

Now multiplying the highest exponent prime factors to calculate the LCM of 5438 and 5446.

LCM(5438,5446) = 21 × 27191 × 71 × 3891
LCM(5438,5446) = 14807674