What is the Least Common Multiple of 8605 and 8616?

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 8605 and 8616 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8605 and 8616, than apply into the LCM equation.

GCF(8605,8616) = 1
LCM(8605,8616) = ( 8605 × 8616) / 1
LCM(8605,8616) = 74140680 / 1
LCM(8605,8616) = 74140680

Least Common Multiple (LCM) of 8605 and 8616 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8605 and 8616. First we will calculate the prime factors of 8605 and 8616.

Prime Factorization of 8605

Prime Factorization of 8616

Now multiplying the highest exponent prime factors to calculate the LCM of 8605 and 8616.

LCM(8605,8616) = 5¹ × 1721¹ × 2³ × 3¹ × 359¹
LCM(8605,8616) = 74140680