What is the Least Common Multiple of 85665 and 85681?

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 85665 and 85681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85665 and 85681, than apply into the LCM equation.

GCF(85665,85681) = 1
LCM(85665,85681) = ( 85665 × 85681) / 1
LCM(85665,85681) = 7339862865 / 1
LCM(85665,85681) = 7339862865

Least Common Multiple (LCM) of 85665 and 85681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85665 and 85681. First we will calculate the prime factors of 85665 and 85681.

Prime Factorization of 85665

Prime Factorization of 85681

Now multiplying the highest exponent prime factors to calculate the LCM of 85665 and 85681.

LCM(85665,85681) = 3¹ × 5¹ × 5711¹ × 47¹ × 1823¹
LCM(85665,85681) = 7339862865