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What is the Least Common Multiple of 31886 and 31897?

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 31886 and 31897 is 1017067742.

LCM(31886,31897) = 1017067742

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Least Common Multiple of 31886 and 31897 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31886 and 31897, than apply into the LCM equation.

GCF(31886,31897) = 1
LCM(31886,31897) = ( 31886 × 31897) / 1
LCM(31886,31897) = 1017067742 / 1
LCM(31886,31897) = 1017067742

Least Common Multiple (LCM) of 31886 and 31897 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31886 and 31897. First we will calculate the prime factors of 31886 and 31897.

Prime Factorization of 31886

Prime factors of 31886 are 2, 107, 149. Prime factorization of 31886 in exponential form is:

31886 = 21 × 1071 × 1491

Prime Factorization of 31897

Prime factors of 31897 are 167, 191. Prime factorization of 31897 in exponential form is:

31897 = 1671 × 1911

Now multiplying the highest exponent prime factors to calculate the LCM of 31886 and 31897.

LCM(31886,31897) = 21 × 1071 × 1491 × 1671 × 1911
LCM(31886,31897) = 1017067742