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What is the Least Common Multiple of 13981 and 14001?

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 13981 and 14001 is 195747981.

LCM(13981,14001) = 195747981

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Least Common Multiple of 13981 and 14001 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13981 and 14001, than apply into the LCM equation.

GCF(13981,14001) = 1
LCM(13981,14001) = ( 13981 × 14001) / 1
LCM(13981,14001) = 195747981 / 1
LCM(13981,14001) = 195747981

Least Common Multiple (LCM) of 13981 and 14001 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13981 and 14001. First we will calculate the prime factors of 13981 and 14001.

Prime Factorization of 13981

Prime factors of 13981 are 11, 31, 41. Prime factorization of 13981 in exponential form is:

13981 = 111 × 311 × 411

Prime Factorization of 14001

Prime factors of 14001 are 3, 13, 359. Prime factorization of 14001 in exponential form is:

14001 = 31 × 131 × 3591

Now multiplying the highest exponent prime factors to calculate the LCM of 13981 and 14001.

LCM(13981,14001) = 111 × 311 × 411 × 31 × 131 × 3591
LCM(13981,14001) = 195747981