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What is the Least Common Multiple of 39921 and 39926?

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 39921 and 39926 is 1593885846.

LCM(39921,39926) = 1593885846

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Least Common Multiple of 39921 and 39926 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39921 and 39926, than apply into the LCM equation.

GCF(39921,39926) = 1
LCM(39921,39926) = ( 39921 × 39926) / 1
LCM(39921,39926) = 1593885846 / 1
LCM(39921,39926) = 1593885846

Least Common Multiple (LCM) of 39921 and 39926 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39921 and 39926. First we will calculate the prime factors of 39921 and 39926.

Prime Factorization of 39921

Prime factors of 39921 are 3, 7, 1901. Prime factorization of 39921 in exponential form is:

39921 = 31 × 71 × 19011

Prime Factorization of 39926

Prime factors of 39926 are 2, 19963. Prime factorization of 39926 in exponential form is:

39926 = 21 × 199631

Now multiplying the highest exponent prime factors to calculate the LCM of 39921 and 39926.

LCM(39921,39926) = 31 × 71 × 19011 × 21 × 199631
LCM(39921,39926) = 1593885846