What is the Least Common Multiple of 90605 and 90613?

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 90605 and 90613 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90605 and 90613, than apply into the LCM equation.

GCF(90605,90613) = 1
LCM(90605,90613) = ( 90605 × 90613) / 1
LCM(90605,90613) = 8209990865 / 1
LCM(90605,90613) = 8209990865

Least Common Multiple (LCM) of 90605 and 90613 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90605 and 90613. First we will calculate the prime factors of 90605 and 90613.

Prime Factorization of 90605

Prime Factorization of 90613

Now multiplying the highest exponent prime factors to calculate the LCM of 90605 and 90613.

LCM(90605,90613) = 5¹ × 18121¹ × 31¹ × 37¹ × 79¹
LCM(90605,90613) = 8209990865