What is the Least Common Multiple of 13790 and 13810?

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 of 13790 and 13810 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13790 and 13810, than apply into the LCM equation.

GCF(13790,13810) = 10
LCM(13790,13810) = ( 13790 × 13810) / 10
LCM(13790,13810) = 190439900 / 10
LCM(13790,13810) = 19043990

Least Common Multiple (LCM) of 13790 and 13810 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13790 and 13810. First we will calculate the prime factors of 13790 and 13810.

Prime Factorization of 13790

Prime Factorization of 13810

Now multiplying the highest exponent prime factors to calculate the LCM of 13790 and 13810.

LCM(13790,13810) = 2¹ × 5¹ × 7¹ × 197¹ × 1381¹
LCM(13790,13810) = 19043990