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What is the Least Common Multiple of 13987 and 14005?

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 13987 and 14005 is 195887935.

LCM(13987,14005) = 195887935

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Least Common Multiple of 13987 and 14005 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13987 and 14005, than apply into the LCM equation.

GCF(13987,14005) = 1
LCM(13987,14005) = ( 13987 × 14005) / 1
LCM(13987,14005) = 195887935 / 1
LCM(13987,14005) = 195887935

Least Common Multiple (LCM) of 13987 and 14005 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13987 and 14005. First we will calculate the prime factors of 13987 and 14005.

Prime Factorization of 13987

Prime factors of 13987 are 71, 197. Prime factorization of 13987 in exponential form is:

13987 = 711 × 1971

Prime Factorization of 14005

Prime factors of 14005 are 5, 2801. Prime factorization of 14005 in exponential form is:

14005 = 51 × 28011

Now multiplying the highest exponent prime factors to calculate the LCM of 13987 and 14005.

LCM(13987,14005) = 711 × 1971 × 51 × 28011
LCM(13987,14005) = 195887935