What is the Least Common Multiple of 74020 and 74038?

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 74020 and 74038 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74020 and 74038, than apply into the LCM equation.

GCF(74020,74038) = 2
LCM(74020,74038) = ( 74020 × 74038) / 2
LCM(74020,74038) = 5480292760 / 2
LCM(74020,74038) = 2740146380

Least Common Multiple (LCM) of 74020 and 74038 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74020 and 74038. First we will calculate the prime factors of 74020 and 74038.

Prime Factorization of 74020

Prime Factorization of 74038

Now multiplying the highest exponent prime factors to calculate the LCM of 74020 and 74038.

LCM(74020,74038) = 2² × 5¹ × 3701¹ × 37019¹
LCM(74020,74038) = 2740146380