What is the Least Common Multiple of 80485 and 80489?

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 80485 and 80489 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80485 and 80489, than apply into the LCM equation.

GCF(80485,80489) = 1
LCM(80485,80489) = ( 80485 × 80489) / 1
LCM(80485,80489) = 6478157165 / 1
LCM(80485,80489) = 6478157165

Least Common Multiple (LCM) of 80485 and 80489 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80485 and 80489. First we will calculate the prime factors of 80485 and 80489.

Prime Factorization of 80485

Prime Factorization of 80489

Now multiplying the highest exponent prime factors to calculate the LCM of 80485 and 80489.

LCM(80485,80489) = 5¹ × 16097¹ × 80489¹
LCM(80485,80489) = 6478157165