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What is the Least Common Multiple of 12874 and 12894?

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 12874 and 12894 is 82998678.

LCM(12874,12894) = 82998678

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Least Common Multiple of 12874 and 12894 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12874 and 12894, than apply into the LCM equation.

GCF(12874,12894) = 2
LCM(12874,12894) = ( 12874 × 12894) / 2
LCM(12874,12894) = 165997356 / 2
LCM(12874,12894) = 82998678

Least Common Multiple (LCM) of 12874 and 12894 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12874 and 12894. First we will calculate the prime factors of 12874 and 12894.

Prime Factorization of 12874

Prime factors of 12874 are 2, 41, 157. Prime factorization of 12874 in exponential form is:

12874 = 21 × 411 × 1571

Prime Factorization of 12894

Prime factors of 12894 are 2, 3, 7, 307. Prime factorization of 12894 in exponential form is:

12894 = 21 × 31 × 71 × 3071

Now multiplying the highest exponent prime factors to calculate the LCM of 12874 and 12894.

LCM(12874,12894) = 21 × 411 × 1571 × 31 × 71 × 3071
LCM(12874,12894) = 82998678