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What is the Least Common Multiple of 67391 and 67409?

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 67391 and 67409 is 4542759919.

LCM(67391,67409) = 4542759919

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Least Common Multiple of 67391 and 67409 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67391 and 67409, than apply into the LCM equation.

GCF(67391,67409) = 1
LCM(67391,67409) = ( 67391 × 67409) / 1
LCM(67391,67409) = 4542759919 / 1
LCM(67391,67409) = 4542759919

Least Common Multiple (LCM) of 67391 and 67409 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67391 and 67409. First we will calculate the prime factors of 67391 and 67409.

Prime Factorization of 67391

Prime factors of 67391 are 67391. Prime factorization of 67391 in exponential form is:

67391 = 673911

Prime Factorization of 67409

Prime factors of 67409 are 67409. Prime factorization of 67409 in exponential form is:

67409 = 674091

Now multiplying the highest exponent prime factors to calculate the LCM of 67391 and 67409.

LCM(67391,67409) = 673911 × 674091
LCM(67391,67409) = 4542759919