What is the Least Common Multiple of 27508 and 27520?

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 27508 and 27520 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27508 and 27520, than apply into the LCM equation.

GCF(27508,27520) = 4
LCM(27508,27520) = ( 27508 × 27520) / 4
LCM(27508,27520) = 757020160 / 4
LCM(27508,27520) = 189255040

Least Common Multiple (LCM) of 27508 and 27520 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27508 and 27520. First we will calculate the prime factors of 27508 and 27520.

Prime Factorization of 27508

Prime Factorization of 27520

Now multiplying the highest exponent prime factors to calculate the LCM of 27508 and 27520.

LCM(27508,27520) = 2⁷ × 13¹ × 23² × 5¹ × 43¹
LCM(27508,27520) = 189255040