What is the Least Common Multiple of 85328 and 85340?

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 85328 and 85340 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85328 and 85340, than apply into the LCM equation.

GCF(85328,85340) = 4
LCM(85328,85340) = ( 85328 × 85340) / 4
LCM(85328,85340) = 7281891520 / 4
LCM(85328,85340) = 1820472880

Least Common Multiple (LCM) of 85328 and 85340 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85328 and 85340. First we will calculate the prime factors of 85328 and 85340.

Prime Factorization of 85328

Prime Factorization of 85340

Now multiplying the highest exponent prime factors to calculate the LCM of 85328 and 85340.

LCM(85328,85340) = 2⁴ × 5333¹ × 5¹ × 17¹ × 251¹
LCM(85328,85340) = 1820472880