What is the Least Common Multiple of 75771 and 75786?

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 75786 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 75786, than apply into the LCM equation.

GCF(75771,75786) = 3
LCM(75771,75786) = ( 75771 × 75786) / 3
LCM(75771,75786) = 5742381006 / 3
LCM(75771,75786) = 1914127002

Least Common Multiple (LCM) of 75771 and 75786 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75771 and 75786. First we will calculate the prime factors of 75771 and 75786.

Prime Factorization of 75771

Prime Factorization of 75786

Now multiplying the highest exponent prime factors to calculate the LCM of 75771 and 75786.

LCM(75771,75786) = 3² × 8419¹ × 2¹ × 17¹ × 743¹
LCM(75771,75786) = 1914127002