What is the Least Common Multiple of 27813 and 27831?

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 27813 and 27831 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27813 and 27831, than apply into the LCM equation.

GCF(27813,27831) = 3
LCM(27813,27831) = ( 27813 × 27831) / 3
LCM(27813,27831) = 774063603 / 3
LCM(27813,27831) = 258021201

Least Common Multiple (LCM) of 27813 and 27831 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27813 and 27831. First we will calculate the prime factors of 27813 and 27831.

Prime Factorization of 27813

Prime Factorization of 27831

Now multiplying the highest exponent prime factors to calculate the LCM of 27813 and 27831.

LCM(27813,27831) = 3¹ × 73¹ × 127¹ × 9277¹
LCM(27813,27831) = 258021201