What is the Least Common Multiple of 47520 and 47528?

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 47520 and 47528 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47520 and 47528, than apply into the LCM equation.

GCF(47520,47528) = 8
LCM(47520,47528) = ( 47520 × 47528) / 8
LCM(47520,47528) = 2258530560 / 8
LCM(47520,47528) = 282316320

Least Common Multiple (LCM) of 47520 and 47528 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47520 and 47528. First we will calculate the prime factors of 47520 and 47528.

Prime Factorization of 47520

Prime Factorization of 47528

Now multiplying the highest exponent prime factors to calculate the LCM of 47520 and 47528.

LCM(47520,47528) = 2⁵ × 3³ × 5¹ × 11¹ × 13¹ × 457¹
LCM(47520,47528) = 282316320