What is the Least Common Multiple of 91605 and 91611?

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 91605 and 91611 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91605 and 91611, than apply into the LCM equation.

GCF(91605,91611) = 3
LCM(91605,91611) = ( 91605 × 91611) / 3
LCM(91605,91611) = 8392025655 / 3
LCM(91605,91611) = 2797341885

Least Common Multiple (LCM) of 91605 and 91611 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91605 and 91611. First we will calculate the prime factors of 91605 and 91611.

Prime Factorization of 91605

Prime Factorization of 91611

Now multiplying the highest exponent prime factors to calculate the LCM of 91605 and 91611.

LCM(91605,91611) = 3⁵ × 5¹ × 31¹ × 197¹ × 13¹ × 29¹
LCM(91605,91611) = 2797341885