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What is the Least Common Multiple of 39893 and 39909?

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 39893 and 39909 is 1592089737.

LCM(39893,39909) = 1592089737

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Least Common Multiple of 39893 and 39909 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39893 and 39909, than apply into the LCM equation.

GCF(39893,39909) = 1
LCM(39893,39909) = ( 39893 × 39909) / 1
LCM(39893,39909) = 1592089737 / 1
LCM(39893,39909) = 1592089737

Least Common Multiple (LCM) of 39893 and 39909 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39893 and 39909. First we will calculate the prime factors of 39893 and 39909.

Prime Factorization of 39893

Prime factors of 39893 are 7, 41, 139. Prime factorization of 39893 in exponential form is:

39893 = 71 × 411 × 1391

Prime Factorization of 39909

Prime factors of 39909 are 3, 53, 251. Prime factorization of 39909 in exponential form is:

39909 = 31 × 531 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 39893 and 39909.

LCM(39893,39909) = 71 × 411 × 1391 × 31 × 531 × 2511
LCM(39893,39909) = 1592089737