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What is the Least Common Multiple of 12684 and 12694?

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 12684 and 12694 is 80505348.

LCM(12684,12694) = 80505348

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Least Common Multiple of 12684 and 12694 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12684 and 12694, than apply into the LCM equation.

GCF(12684,12694) = 2
LCM(12684,12694) = ( 12684 × 12694) / 2
LCM(12684,12694) = 161010696 / 2
LCM(12684,12694) = 80505348

Least Common Multiple (LCM) of 12684 and 12694 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12684 and 12694. First we will calculate the prime factors of 12684 and 12694.

Prime Factorization of 12684

Prime factors of 12684 are 2, 3, 7, 151. Prime factorization of 12684 in exponential form is:

12684 = 22 × 31 × 71 × 1511

Prime Factorization of 12694

Prime factors of 12694 are 2, 11, 577. Prime factorization of 12694 in exponential form is:

12694 = 21 × 111 × 5771

Now multiplying the highest exponent prime factors to calculate the LCM of 12684 and 12694.

LCM(12684,12694) = 22 × 31 × 71 × 1511 × 111 × 5771
LCM(12684,12694) = 80505348