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What is the Least Common Multiple of 31404 and 31422?

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 31404 and 31422 is 164462748.

LCM(31404,31422) = 164462748

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Least Common Multiple of 31404 and 31422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31404 and 31422, than apply into the LCM equation.

GCF(31404,31422) = 6
LCM(31404,31422) = ( 31404 × 31422) / 6
LCM(31404,31422) = 986776488 / 6
LCM(31404,31422) = 164462748

Least Common Multiple (LCM) of 31404 and 31422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31404 and 31422. First we will calculate the prime factors of 31404 and 31422.

Prime Factorization of 31404

Prime factors of 31404 are 2, 3, 2617. Prime factorization of 31404 in exponential form is:

31404 = 22 × 31 × 26171

Prime Factorization of 31422

Prime factors of 31422 are 2, 3, 5237. Prime factorization of 31422 in exponential form is:

31422 = 21 × 31 × 52371

Now multiplying the highest exponent prime factors to calculate the LCM of 31404 and 31422.

LCM(31404,31422) = 22 × 31 × 26171 × 52371
LCM(31404,31422) = 164462748