What is the Least Common Multiple of 71830 and 71846?

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 71830 and 71846 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71830 and 71846, than apply into the LCM equation.

GCF(71830,71846) = 2
LCM(71830,71846) = ( 71830 × 71846) / 2
LCM(71830,71846) = 5160698180 / 2
LCM(71830,71846) = 2580349090

Least Common Multiple (LCM) of 71830 and 71846 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71830 and 71846. First we will calculate the prime factors of 71830 and 71846.

Prime Factorization of 71830

Prime Factorization of 71846

Now multiplying the highest exponent prime factors to calculate the LCM of 71830 and 71846.

LCM(71830,71846) = 2¹ × 5¹ × 11¹ × 653¹ × 35923¹
LCM(71830,71846) = 2580349090