What is the Least Common Multiple of 75681 and 75685?

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 75681 and 75685 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75681 and 75685, than apply into the LCM equation.

GCF(75681,75685) = 1
LCM(75681,75685) = ( 75681 × 75685) / 1
LCM(75681,75685) = 5727916485 / 1
LCM(75681,75685) = 5727916485

Least Common Multiple (LCM) of 75681 and 75685 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75681 and 75685. First we will calculate the prime factors of 75681 and 75685.

Prime Factorization of 75681

Prime Factorization of 75685

Now multiplying the highest exponent prime factors to calculate the LCM of 75681 and 75685.

LCM(75681,75685) = 3³ × 2803¹ × 5¹ × 15137¹
LCM(75681,75685) = 5727916485