What is the Least Common Multiple of 9503 and 9520?

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 9503 and 9520 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9503 and 9520, than apply into the LCM equation.

GCF(9503,9520) = 17
LCM(9503,9520) = ( 9503 × 9520) / 17
LCM(9503,9520) = 90468560 / 17
LCM(9503,9520) = 5321680

Least Common Multiple (LCM) of 9503 and 9520 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9503 and 9520. First we will calculate the prime factors of 9503 and 9520.

Prime Factorization of 9503

Prime Factorization of 9520

Now multiplying the highest exponent prime factors to calculate the LCM of 9503 and 9520.

LCM(9503,9520) = 13¹ × 17¹ × 43¹ × 2⁴ × 5¹ × 7¹
LCM(9503,9520) = 5321680