What is the Least Common Multiple of 29781 and 29790?

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 29781 and 29790 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 29781 and 29790, than apply into the LCM equation.

GCF(29781,29790) = 9
LCM(29781,29790) = ( 29781 × 29790) / 9
LCM(29781,29790) = 887175990 / 9
LCM(29781,29790) = 98575110

Least Common Multiple (LCM) of 29781 and 29790 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 29781 and 29790. First we will calculate the prime factors of 29781 and 29790.

Prime Factorization of 29781

Prime Factorization of 29790

Now multiplying the highest exponent prime factors to calculate the LCM of 29781 and 29790.

LCM(29781,29790) = 3³ × 1103¹ × 2¹ × 5¹ × 331¹
LCM(29781,29790) = 98575110