What is the Least Common Multiple of 80685 and 80691?

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 80685 and 80691 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80685 and 80691, than apply into the LCM equation.

GCF(80685,80691) = 3
LCM(80685,80691) = ( 80685 × 80691) / 3
LCM(80685,80691) = 6510553335 / 3
LCM(80685,80691) = 2170184445

Least Common Multiple (LCM) of 80685 and 80691 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80685 and 80691. First we will calculate the prime factors of 80685 and 80691.

Prime Factorization of 80685

Prime Factorization of 80691

Now multiplying the highest exponent prime factors to calculate the LCM of 80685 and 80691.

LCM(80685,80691) = 3² × 5¹ × 11¹ × 163¹ × 13¹ × 2069¹
LCM(80685,80691) = 2170184445