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What is the Least Common Multiple of 12985 and 12994?

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 12985 and 12994 is 168727090.

LCM(12985,12994) = 168727090

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Least Common Multiple of 12985 and 12994 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12985 and 12994, than apply into the LCM equation.

GCF(12985,12994) = 1
LCM(12985,12994) = ( 12985 × 12994) / 1
LCM(12985,12994) = 168727090 / 1
LCM(12985,12994) = 168727090

Least Common Multiple (LCM) of 12985 and 12994 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12985 and 12994. First we will calculate the prime factors of 12985 and 12994.

Prime Factorization of 12985

Prime factors of 12985 are 5, 7, 53. Prime factorization of 12985 in exponential form is:

12985 = 51 × 72 × 531

Prime Factorization of 12994

Prime factors of 12994 are 2, 73, 89. Prime factorization of 12994 in exponential form is:

12994 = 21 × 731 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 12985 and 12994.

LCM(12985,12994) = 51 × 72 × 531 × 21 × 731 × 891
LCM(12985,12994) = 168727090