What is the Least Common Multiple of 42928 and 42948?

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 42928 and 42948 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42928 and 42948, than apply into the LCM equation.

GCF(42928,42948) = 4
LCM(42928,42948) = ( 42928 × 42948) / 4
LCM(42928,42948) = 1843671744 / 4
LCM(42928,42948) = 460917936

Least Common Multiple (LCM) of 42928 and 42948 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42928 and 42948. First we will calculate the prime factors of 42928 and 42948.

Prime Factorization of 42928

Prime Factorization of 42948

Now multiplying the highest exponent prime factors to calculate the LCM of 42928 and 42948.

LCM(42928,42948) = 2⁴ × 2683¹ × 3² × 1193¹
LCM(42928,42948) = 460917936