What is the Least Common Multiple of 15605 and 15613?

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 15605 and 15613 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15605 and 15613, than apply into the LCM equation.

GCF(15605,15613) = 1
LCM(15605,15613) = ( 15605 × 15613) / 1
LCM(15605,15613) = 243640865 / 1
LCM(15605,15613) = 243640865

Least Common Multiple (LCM) of 15605 and 15613 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15605 and 15613. First we will calculate the prime factors of 15605 and 15613.

Prime Factorization of 15605

Prime Factorization of 15613

Now multiplying the highest exponent prime factors to calculate the LCM of 15605 and 15613.

LCM(15605,15613) = 5¹ × 3121¹ × 13¹ × 1201¹
LCM(15605,15613) = 243640865