What is the Least Common Multiple of 74080 and 74084?

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 74080 and 74084 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74080 and 74084, than apply into the LCM equation.

GCF(74080,74084) = 4
LCM(74080,74084) = ( 74080 × 74084) / 4
LCM(74080,74084) = 5488142720 / 4
LCM(74080,74084) = 1372035680

Least Common Multiple (LCM) of 74080 and 74084 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74080 and 74084. First we will calculate the prime factors of 74080 and 74084.

Prime Factorization of 74080

Prime Factorization of 74084

Now multiplying the highest exponent prime factors to calculate the LCM of 74080 and 74084.

LCM(74080,74084) = 2⁵ × 5¹ × 463¹ × 18521¹
LCM(74080,74084) = 1372035680