What is the Least Common Multiple of 71279 and 71289?

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 71279 and 71289 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71279 and 71289, than apply into the LCM equation.

GCF(71279,71289) = 1
LCM(71279,71289) = ( 71279 × 71289) / 1
LCM(71279,71289) = 5081408631 / 1
LCM(71279,71289) = 5081408631

Least Common Multiple (LCM) of 71279 and 71289 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71279 and 71289. First we will calculate the prime factors of 71279 and 71289.

Prime Factorization of 71279

Prime Factorization of 71289

Now multiplying the highest exponent prime factors to calculate the LCM of 71279 and 71289.

LCM(71279,71289) = 13¹ × 5483¹ × 3² × 89²
LCM(71279,71289) = 5081408631