What is the Least Common Multiple of 91310 and 91318?

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 91310 and 91318 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91310 and 91318, than apply into the LCM equation.

GCF(91310,91318) = 2
LCM(91310,91318) = ( 91310 × 91318) / 2
LCM(91310,91318) = 8338246580 / 2
LCM(91310,91318) = 4169123290

Least Common Multiple (LCM) of 91310 and 91318 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91310 and 91318. First we will calculate the prime factors of 91310 and 91318.

Prime Factorization of 91310

Prime Factorization of 91318

Now multiplying the highest exponent prime factors to calculate the LCM of 91310 and 91318.

LCM(91310,91318) = 2¹ × 5¹ × 23¹ × 397¹ × 45659¹
LCM(91310,91318) = 4169123290