What is the Least Common Multiple of 11605 and 11613?

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 11605 and 11613 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11605 and 11613, than apply into the LCM equation.

GCF(11605,11613) = 1
LCM(11605,11613) = ( 11605 × 11613) / 1
LCM(11605,11613) = 134768865 / 1
LCM(11605,11613) = 134768865

Least Common Multiple (LCM) of 11605 and 11613 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11605 and 11613. First we will calculate the prime factors of 11605 and 11613.

Prime Factorization of 11605

Prime Factorization of 11613

Now multiplying the highest exponent prime factors to calculate the LCM of 11605 and 11613.

LCM(11605,11613) = 5¹ × 11¹ × 211¹ × 3¹ × 7² × 79¹
LCM(11605,11613) = 134768865