What is the Least Common Multiple of 13474 and 13481?

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 13474 and 13481 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13474 and 13481, than apply into the LCM equation.

GCF(13474,13481) = 1
LCM(13474,13481) = ( 13474 × 13481) / 1
LCM(13474,13481) = 181642994 / 1
LCM(13474,13481) = 181642994

Least Common Multiple (LCM) of 13474 and 13481 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13474 and 13481. First we will calculate the prime factors of 13474 and 13481.

Prime Factorization of 13474

Prime Factorization of 13481

Now multiplying the highest exponent prime factors to calculate the LCM of 13474 and 13481.

LCM(13474,13481) = 2¹ × 6737¹ × 13¹ × 17¹ × 61¹
LCM(13474,13481) = 181642994