What is the Least Common Multiple of 3781 and 3791?

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 3781 and 3791 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3781 and 3791, than apply into the LCM equation.

GCF(3781,3791) = 1
LCM(3781,3791) = ( 3781 × 3791) / 1
LCM(3781,3791) = 14333771 / 1
LCM(3781,3791) = 14333771

Least Common Multiple (LCM) of 3781 and 3791 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3781 and 3791. First we will calculate the prime factors of 3781 and 3791.

Prime Factorization of 3781

Prime Factorization of 3791

Now multiplying the highest exponent prime factors to calculate the LCM of 3781 and 3791.

LCM(3781,3791) = 19¹ × 199¹ × 17¹ × 223¹
LCM(3781,3791) = 14333771