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What is the Least Common Multiple of 11790 and 11810?

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 11790 and 11810 is 13923990.

LCM(11790,11810) = 13923990

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Least Common Multiple of 11790 and 11810 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11790 and 11810, than apply into the LCM equation.

GCF(11790,11810) = 10
LCM(11790,11810) = ( 11790 × 11810) / 10
LCM(11790,11810) = 139239900 / 10
LCM(11790,11810) = 13923990

Least Common Multiple (LCM) of 11790 and 11810 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11790 and 11810. First we will calculate the prime factors of 11790 and 11810.

Prime Factorization of 11790

Prime factors of 11790 are 2, 3, 5, 131. Prime factorization of 11790 in exponential form is:

11790 = 21 × 32 × 51 × 1311

Prime Factorization of 11810

Prime factors of 11810 are 2, 5, 1181. Prime factorization of 11810 in exponential form is:

11810 = 21 × 51 × 11811

Now multiplying the highest exponent prime factors to calculate the LCM of 11790 and 11810.

LCM(11790,11810) = 21 × 32 × 51 × 1311 × 11811
LCM(11790,11810) = 13923990