What is the Least Common Multiple of 71481 and 71487?

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 71481 and 71487 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71481 and 71487, than apply into the LCM equation.

GCF(71481,71487) = 3
LCM(71481,71487) = ( 71481 × 71487) / 3
LCM(71481,71487) = 5109962247 / 3
LCM(71481,71487) = 1703320749

Least Common Multiple (LCM) of 71481 and 71487 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71481 and 71487. First we will calculate the prime factors of 71481 and 71487.

Prime Factorization of 71481

Prime Factorization of 71487

Now multiplying the highest exponent prime factors to calculate the LCM of 71481 and 71487.

LCM(71481,71487) = 3² × 23827¹ × 13² × 47¹
LCM(71481,71487) = 1703320749