What is the Least Common Multiple of 12474 and 12481?

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 12474 and 12481 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12474 and 12481, than apply into the LCM equation.

GCF(12474,12481) = 7
LCM(12474,12481) = ( 12474 × 12481) / 7
LCM(12474,12481) = 155687994 / 7
LCM(12474,12481) = 22241142

Least Common Multiple (LCM) of 12474 and 12481 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12474 and 12481. First we will calculate the prime factors of 12474 and 12481.

Prime Factorization of 12474

Prime Factorization of 12481

Now multiplying the highest exponent prime factors to calculate the LCM of 12474 and 12481.

LCM(12474,12481) = 2¹ × 3⁴ × 7¹ × 11¹ × 1783¹
LCM(12474,12481) = 22241142