What is the Least Common Multiple of 27801 and 27813?

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 27801 and 27813 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27801 and 27813, than apply into the LCM equation.

GCF(27801,27813) = 3
LCM(27801,27813) = ( 27801 × 27813) / 3
LCM(27801,27813) = 773229213 / 3
LCM(27801,27813) = 257743071

Least Common Multiple (LCM) of 27801 and 27813 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27801 and 27813. First we will calculate the prime factors of 27801 and 27813.

Prime Factorization of 27801

Prime Factorization of 27813

Now multiplying the highest exponent prime factors to calculate the LCM of 27801 and 27813.

LCM(27801,27813) = 3² × 3089¹ × 73¹ × 127¹
LCM(27801,27813) = 257743071