What is the Least Common Multiple of 28257 and 28263?

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 28257 and 28263 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28257 and 28263, than apply into the LCM equation.

GCF(28257,28263) = 3
LCM(28257,28263) = ( 28257 × 28263) / 3
LCM(28257,28263) = 798627591 / 3
LCM(28257,28263) = 266209197

Least Common Multiple (LCM) of 28257 and 28263 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28257 and 28263. First we will calculate the prime factors of 28257 and 28263.

Prime Factorization of 28257

Prime Factorization of 28263

Now multiplying the highest exponent prime factors to calculate the LCM of 28257 and 28263.

LCM(28257,28263) = 3¹ × 9419¹ × 9421¹
LCM(28257,28263) = 266209197