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What is the Least Common Multiple of 31943 and 31947?

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 31943 and 31947 is 1020483021.

LCM(31943,31947) = 1020483021

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Least Common Multiple of 31943 and 31947 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31943 and 31947, than apply into the LCM equation.

GCF(31943,31947) = 1
LCM(31943,31947) = ( 31943 × 31947) / 1
LCM(31943,31947) = 1020483021 / 1
LCM(31943,31947) = 1020483021

Least Common Multiple (LCM) of 31943 and 31947 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31943 and 31947. First we will calculate the prime factors of 31943 and 31947.

Prime Factorization of 31943

Prime factors of 31943 are 17, 1879. Prime factorization of 31943 in exponential form is:

31943 = 171 × 18791

Prime Factorization of 31947

Prime factors of 31947 are 3, 23, 463. Prime factorization of 31947 in exponential form is:

31947 = 31 × 231 × 4631

Now multiplying the highest exponent prime factors to calculate the LCM of 31943 and 31947.

LCM(31943,31947) = 171 × 18791 × 31 × 231 × 4631
LCM(31943,31947) = 1020483021