What is the Least Common Multiple of 91505 and 91515?

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 91505 and 91515 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91505 and 91515, than apply into the LCM equation.

GCF(91505,91515) = 5
LCM(91505,91515) = ( 91505 × 91515) / 5
LCM(91505,91515) = 8374080075 / 5
LCM(91505,91515) = 1674816015

Least Common Multiple (LCM) of 91505 and 91515 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91505 and 91515. First we will calculate the prime factors of 91505 and 91515.

Prime Factorization of 91505

Prime Factorization of 91515

Now multiplying the highest exponent prime factors to calculate the LCM of 91505 and 91515.

LCM(91505,91515) = 5¹ × 18301¹ × 3¹ × 6101¹
LCM(91505,91515) = 1674816015