What is the Least Common Multiple of 71469 and 71481?

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 71469 and 71481 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71469 and 71481, than apply into the LCM equation.

GCF(71469,71481) = 3
LCM(71469,71481) = ( 71469 × 71481) / 3
LCM(71469,71481) = 5108675589 / 3
LCM(71469,71481) = 1702891863

Least Common Multiple (LCM) of 71469 and 71481 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71469 and 71481. First we will calculate the prime factors of 71469 and 71481.

Prime Factorization of 71469

Prime Factorization of 71481

Now multiplying the highest exponent prime factors to calculate the LCM of 71469 and 71481.

LCM(71469,71481) = 3³ × 2647¹ × 23827¹
LCM(71469,71481) = 1702891863