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What is the Least Common Multiple of 12698 and 12709?

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 12698 and 12709 is 161378882.

LCM(12698,12709) = 161378882

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Least Common Multiple of 12698 and 12709 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12698 and 12709, than apply into the LCM equation.

GCF(12698,12709) = 1
LCM(12698,12709) = ( 12698 × 12709) / 1
LCM(12698,12709) = 161378882 / 1
LCM(12698,12709) = 161378882

Least Common Multiple (LCM) of 12698 and 12709 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12698 and 12709. First we will calculate the prime factors of 12698 and 12709.

Prime Factorization of 12698

Prime factors of 12698 are 2, 7, 907. Prime factorization of 12698 in exponential form is:

12698 = 21 × 71 × 9071

Prime Factorization of 12709

Prime factors of 12709 are 71, 179. Prime factorization of 12709 in exponential form is:

12709 = 711 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 12698 and 12709.

LCM(12698,12709) = 21 × 71 × 9071 × 711 × 1791
LCM(12698,12709) = 161378882