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What is the Least Common Multiple of 12917 and 12922?

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 12917 and 12922 is 166913474.

LCM(12917,12922) = 166913474

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Least Common Multiple of 12917 and 12922 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12917 and 12922, than apply into the LCM equation.

GCF(12917,12922) = 1
LCM(12917,12922) = ( 12917 × 12922) / 1
LCM(12917,12922) = 166913474 / 1
LCM(12917,12922) = 166913474

Least Common Multiple (LCM) of 12917 and 12922 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12917 and 12922. First we will calculate the prime factors of 12917 and 12922.

Prime Factorization of 12917

Prime factors of 12917 are 12917. Prime factorization of 12917 in exponential form is:

12917 = 129171

Prime Factorization of 12922

Prime factors of 12922 are 2, 7, 13, 71. Prime factorization of 12922 in exponential form is:

12922 = 21 × 71 × 131 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 12917 and 12922.

LCM(12917,12922) = 129171 × 21 × 71 × 131 × 711
LCM(12917,12922) = 166913474