What is the Least Common Multiple of 91318 and 91330?

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 91318 and 91330 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91318 and 91330, than apply into the LCM equation.

GCF(91318,91330) = 2
LCM(91318,91330) = ( 91318 × 91330) / 2
LCM(91318,91330) = 8340072940 / 2
LCM(91318,91330) = 4170036470

Least Common Multiple (LCM) of 91318 and 91330 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91318 and 91330. First we will calculate the prime factors of 91318 and 91330.

Prime Factorization of 91318

Prime Factorization of 91330

Now multiplying the highest exponent prime factors to calculate the LCM of 91318 and 91330.

LCM(91318,91330) = 2¹ × 45659¹ × 5¹ × 9133¹
LCM(91318,91330) = 4170036470