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What is the Least Common Multiple of 39909 and 39925?

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 39909 and 39925 is 1593366825.

LCM(39909,39925) = 1593366825

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Least Common Multiple of 39909 and 39925 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39909 and 39925, than apply into the LCM equation.

GCF(39909,39925) = 1
LCM(39909,39925) = ( 39909 × 39925) / 1
LCM(39909,39925) = 1593366825 / 1
LCM(39909,39925) = 1593366825

Least Common Multiple (LCM) of 39909 and 39925 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39909 and 39925. First we will calculate the prime factors of 39909 and 39925.

Prime Factorization of 39909

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

39909 = 31 × 531 × 2511

Prime Factorization of 39925

Prime factors of 39925 are 5, 1597. Prime factorization of 39925 in exponential form is:

39925 = 52 × 15971

Now multiplying the highest exponent prime factors to calculate the LCM of 39909 and 39925.

LCM(39909,39925) = 31 × 531 × 2511 × 52 × 15971
LCM(39909,39925) = 1593366825