What is the Least Common Multiple of 85784 and 85804?

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 85784 and 85804 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85784 and 85804, than apply into the LCM equation.

GCF(85784,85804) = 4
LCM(85784,85804) = ( 85784 × 85804) / 4
LCM(85784,85804) = 7360610336 / 4
LCM(85784,85804) = 1840152584

Least Common Multiple (LCM) of 85784 and 85804 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85784 and 85804. First we will calculate the prime factors of 85784 and 85804.

Prime Factorization of 85784

Prime Factorization of 85804

Now multiplying the highest exponent prime factors to calculate the LCM of 85784 and 85804.

LCM(85784,85804) = 2³ × 10723¹ × 19¹ × 1129¹
LCM(85784,85804) = 1840152584