What is the Least Common Multiple of 83781 and 83791?

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 83781 and 83791 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83781 and 83791, than apply into the LCM equation.

GCF(83781,83791) = 1
LCM(83781,83791) = ( 83781 × 83791) / 1
LCM(83781,83791) = 7020093771 / 1
LCM(83781,83791) = 7020093771

Least Common Multiple (LCM) of 83781 and 83791 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83781 and 83791. First we will calculate the prime factors of 83781 and 83791.

Prime Factorization of 83781

Prime Factorization of 83791

Now multiplying the highest exponent prime factors to calculate the LCM of 83781 and 83791.

LCM(83781,83791) = 3³ × 29¹ × 107¹ × 83791¹
LCM(83781,83791) = 7020093771