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What is the Least Common Multiple of 13993 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 13993 and 14005 is 195971965.

LCM(13993,14005) = 195971965

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Least Common Multiple of 13993 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 13993 and 14005, than apply into the LCM equation.

GCF(13993,14005) = 1
LCM(13993,14005) = ( 13993 × 14005) / 1
LCM(13993,14005) = 195971965 / 1
LCM(13993,14005) = 195971965

Least Common Multiple (LCM) of 13993 and 14005 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13993 and 14005. First we will calculate the prime factors of 13993 and 14005.

Prime Factorization of 13993

Prime factors of 13993 are 7, 1999. Prime factorization of 13993 in exponential form is:

13993 = 71 × 19991

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 13993 and 14005.

LCM(13993,14005) = 71 × 19991 × 51 × 28011
LCM(13993,14005) = 195971965