What is the Least Common Multiple of 71784 and 71804?

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 71784 and 71804 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71784 and 71804, than apply into the LCM equation.

GCF(71784,71804) = 4
LCM(71784,71804) = ( 71784 × 71804) / 4
LCM(71784,71804) = 5154378336 / 4
LCM(71784,71804) = 1288594584

Least Common Multiple (LCM) of 71784 and 71804 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71784 and 71804. First we will calculate the prime factors of 71784 and 71804.

Prime Factorization of 71784

Prime Factorization of 71804

Now multiplying the highest exponent prime factors to calculate the LCM of 71784 and 71804.

LCM(71784,71804) = 2³ × 3² × 997¹ × 29¹ × 619¹
LCM(71784,71804) = 1288594584