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What is the Least Common Multiple of 31742 and 31756?

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 31742 and 31756 is 503999476.

LCM(31742,31756) = 503999476

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Least Common Multiple of 31742 and 31756 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31742 and 31756, than apply into the LCM equation.

GCF(31742,31756) = 2
LCM(31742,31756) = ( 31742 × 31756) / 2
LCM(31742,31756) = 1007998952 / 2
LCM(31742,31756) = 503999476

Least Common Multiple (LCM) of 31742 and 31756 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31742 and 31756. First we will calculate the prime factors of 31742 and 31756.

Prime Factorization of 31742

Prime factors of 31742 are 2, 59, 269. Prime factorization of 31742 in exponential form is:

31742 = 21 × 591 × 2691

Prime Factorization of 31756

Prime factors of 31756 are 2, 17, 467. Prime factorization of 31756 in exponential form is:

31756 = 22 × 171 × 4671

Now multiplying the highest exponent prime factors to calculate the LCM of 31742 and 31756.

LCM(31742,31756) = 22 × 591 × 2691 × 171 × 4671
LCM(31742,31756) = 503999476