What is the Least Common Multiple of 16240 and 16245?

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 16240 and 16245 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16240 and 16245, than apply into the LCM equation.

GCF(16240,16245) = 5
LCM(16240,16245) = ( 16240 × 16245) / 5
LCM(16240,16245) = 263818800 / 5
LCM(16240,16245) = 52763760

Least Common Multiple (LCM) of 16240 and 16245 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16240 and 16245. First we will calculate the prime factors of 16240 and 16245.

Prime Factorization of 16240

Prime Factorization of 16245

Now multiplying the highest exponent prime factors to calculate the LCM of 16240 and 16245.

LCM(16240,16245) = 2⁴ × 5¹ × 7¹ × 29¹ × 3² × 19²
LCM(16240,16245) = 52763760