What is the Least Common Multiple of 28328 and 28340?

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 28328 and 28340 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28328 and 28340, than apply into the LCM equation.

GCF(28328,28340) = 4
LCM(28328,28340) = ( 28328 × 28340) / 4
LCM(28328,28340) = 802815520 / 4
LCM(28328,28340) = 200703880

Least Common Multiple (LCM) of 28328 and 28340 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28328 and 28340. First we will calculate the prime factors of 28328 and 28340.

Prime Factorization of 28328

Prime Factorization of 28340

Now multiplying the highest exponent prime factors to calculate the LCM of 28328 and 28340.

LCM(28328,28340) = 2³ × 3541¹ × 5¹ × 13¹ × 109¹
LCM(28328,28340) = 200703880