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What is the Least Common Multiple of 5398 and 5409?

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 5398 and 5409 is 29197782.

LCM(5398,5409) = 29197782

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Least Common Multiple of 5398 and 5409 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5398 and 5409, than apply into the LCM equation.

GCF(5398,5409) = 1
LCM(5398,5409) = ( 5398 × 5409) / 1
LCM(5398,5409) = 29197782 / 1
LCM(5398,5409) = 29197782

Least Common Multiple (LCM) of 5398 and 5409 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5398 and 5409. First we will calculate the prime factors of 5398 and 5409.

Prime Factorization of 5398

Prime factors of 5398 are 2, 2699. Prime factorization of 5398 in exponential form is:

5398 = 21 × 26991

Prime Factorization of 5409

Prime factors of 5409 are 3, 601. Prime factorization of 5409 in exponential form is:

5409 = 32 × 6011

Now multiplying the highest exponent prime factors to calculate the LCM of 5398 and 5409.

LCM(5398,5409) = 21 × 26991 × 32 × 6011
LCM(5398,5409) = 29197782