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What is the Least Common Multiple of 15914 and 15931?

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 15914 and 15931 is 253525934.

LCM(15914,15931) = 253525934

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Least Common Multiple of 15914 and 15931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15914 and 15931, than apply into the LCM equation.

GCF(15914,15931) = 1
LCM(15914,15931) = ( 15914 × 15931) / 1
LCM(15914,15931) = 253525934 / 1
LCM(15914,15931) = 253525934

Least Common Multiple (LCM) of 15914 and 15931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15914 and 15931. First we will calculate the prime factors of 15914 and 15931.

Prime Factorization of 15914

Prime factors of 15914 are 2, 73, 109. Prime factorization of 15914 in exponential form is:

15914 = 21 × 731 × 1091

Prime Factorization of 15931

Prime factors of 15931 are 89, 179. Prime factorization of 15931 in exponential form is:

15931 = 891 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 15914 and 15931.

LCM(15914,15931) = 21 × 731 × 1091 × 891 × 1791
LCM(15914,15931) = 253525934