What is the Least Common Multiple of 75568 and 75578?

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 75568 and 75578 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75568 and 75578, than apply into the LCM equation.

GCF(75568,75578) = 2
LCM(75568,75578) = ( 75568 × 75578) / 2
LCM(75568,75578) = 5711278304 / 2
LCM(75568,75578) = 2855639152

Least Common Multiple (LCM) of 75568 and 75578 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75568 and 75578. First we will calculate the prime factors of 75568 and 75578.

Prime Factorization of 75568

Prime Factorization of 75578

Now multiplying the highest exponent prime factors to calculate the LCM of 75568 and 75578.

LCM(75568,75578) = 2⁴ × 4723¹ × 23¹ × 31¹ × 53¹
LCM(75568,75578) = 2855639152