What is the Least Common Multiple of 75771 and 75781?

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 75771 and 75781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75771 and 75781, than apply into the LCM equation.

GCF(75771,75781) = 1
LCM(75771,75781) = ( 75771 × 75781) / 1
LCM(75771,75781) = 5742002151 / 1
LCM(75771,75781) = 5742002151

Least Common Multiple (LCM) of 75771 and 75781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75771 and 75781. First we will calculate the prime factors of 75771 and 75781.

Prime Factorization of 75771

Prime Factorization of 75781

Now multiplying the highest exponent prime factors to calculate the LCM of 75771 and 75781.

LCM(75771,75781) = 3² × 8419¹ × 75781¹
LCM(75771,75781) = 5742002151