What is the Least Common Multiple of 91108 and 91115?

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 91108 and 91115 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91108 and 91115, than apply into the LCM equation.

GCF(91108,91115) = 1
LCM(91108,91115) = ( 91108 × 91115) / 1
LCM(91108,91115) = 8301305420 / 1
LCM(91108,91115) = 8301305420

Least Common Multiple (LCM) of 91108 and 91115 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91108 and 91115. First we will calculate the prime factors of 91108 and 91115.

Prime Factorization of 91108

Prime Factorization of 91115

Now multiplying the highest exponent prime factors to calculate the LCM of 91108 and 91115.

LCM(91108,91115) = 2² × 22777¹ × 5¹ × 18223¹
LCM(91108,91115) = 8301305420