GCF and LCM Calculator Logo

What is the Least Common Multiple of 75545 and 75561?

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 (LCM) of 75545 and 75561 is 5708255745.

LCM(75545,75561) = 5708255745

LCM Calculator and
and

Least Common Multiple of 75545 and 75561 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75545 and 75561, than apply into the LCM equation.

GCF(75545,75561) = 1
LCM(75545,75561) = ( 75545 × 75561) / 1
LCM(75545,75561) = 5708255745 / 1
LCM(75545,75561) = 5708255745

Least Common Multiple (LCM) of 75545 and 75561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75545 and 75561. First we will calculate the prime factors of 75545 and 75561.

Prime Factorization of 75545

Prime factors of 75545 are 5, 29, 521. Prime factorization of 75545 in exponential form is:

75545 = 51 × 291 × 5211

Prime Factorization of 75561

Prime factors of 75561 are 3, 89, 283. Prime factorization of 75561 in exponential form is:

75561 = 31 × 891 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 75545 and 75561.

LCM(75545,75561) = 51 × 291 × 5211 × 31 × 891 × 2831
LCM(75545,75561) = 5708255745