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What is the Least Common Multiple of 31863 and 31868?

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 31863 and 31868 is 1015410084.

LCM(31863,31868) = 1015410084

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Least Common Multiple of 31863 and 31868 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31863 and 31868, than apply into the LCM equation.

GCF(31863,31868) = 1
LCM(31863,31868) = ( 31863 × 31868) / 1
LCM(31863,31868) = 1015410084 / 1
LCM(31863,31868) = 1015410084

Least Common Multiple (LCM) of 31863 and 31868 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31863 and 31868. First we will calculate the prime factors of 31863 and 31868.

Prime Factorization of 31863

Prime factors of 31863 are 3, 13, 19, 43. Prime factorization of 31863 in exponential form is:

31863 = 31 × 131 × 191 × 431

Prime Factorization of 31868

Prime factors of 31868 are 2, 31, 257. Prime factorization of 31868 in exponential form is:

31868 = 22 × 311 × 2571

Now multiplying the highest exponent prime factors to calculate the LCM of 31863 and 31868.

LCM(31863,31868) = 31 × 131 × 191 × 431 × 22 × 311 × 2571
LCM(31863,31868) = 1015410084