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What is the Least Common Multiple of 31882 and 31900?

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 31882 and 31900 is 508517900.

LCM(31882,31900) = 508517900

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Least Common Multiple of 31882 and 31900 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31882 and 31900, than apply into the LCM equation.

GCF(31882,31900) = 2
LCM(31882,31900) = ( 31882 × 31900) / 2
LCM(31882,31900) = 1017035800 / 2
LCM(31882,31900) = 508517900

Least Common Multiple (LCM) of 31882 and 31900 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31882 and 31900. First we will calculate the prime factors of 31882 and 31900.

Prime Factorization of 31882

Prime factors of 31882 are 2, 19, 839. Prime factorization of 31882 in exponential form is:

31882 = 21 × 191 × 8391

Prime Factorization of 31900

Prime factors of 31900 are 2, 5, 11, 29. Prime factorization of 31900 in exponential form is:

31900 = 22 × 52 × 111 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 31882 and 31900.

LCM(31882,31900) = 22 × 191 × 8391 × 52 × 111 × 291
LCM(31882,31900) = 508517900