GCF and LCM Calculator Logo

What is the Least Common Multiple of 14781 and 14791?

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 14781 and 14791 is 218625771.

LCM(14781,14791) = 218625771

LCM Calculator and
and

Least Common Multiple of 14781 and 14791 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 14781 and 14791, than apply into the LCM equation.

GCF(14781,14791) = 1
LCM(14781,14791) = ( 14781 × 14791) / 1
LCM(14781,14791) = 218625771 / 1
LCM(14781,14791) = 218625771

Least Common Multiple (LCM) of 14781 and 14791 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 14781 and 14791. First we will calculate the prime factors of 14781 and 14791.

Prime Factorization of 14781

Prime factors of 14781 are 3, 13, 379. Prime factorization of 14781 in exponential form is:

14781 = 31 × 131 × 3791

Prime Factorization of 14791

Prime factors of 14791 are 7, 2113. Prime factorization of 14791 in exponential form is:

14791 = 71 × 21131

Now multiplying the highest exponent prime factors to calculate the LCM of 14781 and 14791.

LCM(14781,14791) = 31 × 131 × 3791 × 71 × 21131
LCM(14781,14791) = 218625771