What is the Least Common Multiple of 27781 and 27791?

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 27781 and 27791 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27781 and 27791, than apply into the LCM equation.

GCF(27781,27791) = 1
LCM(27781,27791) = ( 27781 × 27791) / 1
LCM(27781,27791) = 772061771 / 1
LCM(27781,27791) = 772061771

Least Common Multiple (LCM) of 27781 and 27791 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27781 and 27791. First we will calculate the prime factors of 27781 and 27791.

Prime Factorization of 27781

Prime Factorization of 27791

Now multiplying the highest exponent prime factors to calculate the LCM of 27781 and 27791.

LCM(27781,27791) = 13¹ × 2137¹ × 27791¹
LCM(27781,27791) = 772061771