What is the Least Common Multiple of 32140 and 32144?

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 32140 and 32144 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 32140 and 32144, than apply into the LCM equation.

GCF(32140,32144) = 4
LCM(32140,32144) = ( 32140 × 32144) / 4
LCM(32140,32144) = 1033108160 / 4
LCM(32140,32144) = 258277040

Least Common Multiple (LCM) of 32140 and 32144 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 32140 and 32144. First we will calculate the prime factors of 32140 and 32144.

Prime Factorization of 32140

Prime Factorization of 32144

Now multiplying the highest exponent prime factors to calculate the LCM of 32140 and 32144.

LCM(32140,32144) = 2⁴ × 5¹ × 1607¹ × 7² × 41¹
LCM(32140,32144) = 258277040