What is the Least Common Multiple of 10478 and 10487?

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 10478 and 10487 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10478 and 10487, than apply into the LCM equation.

GCF(10478,10487) = 1
LCM(10478,10487) = ( 10478 × 10487) / 1
LCM(10478,10487) = 109882786 / 1
LCM(10478,10487) = 109882786

Least Common Multiple (LCM) of 10478 and 10487 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10478 and 10487. First we will calculate the prime factors of 10478 and 10487.

Prime Factorization of 10478

Prime Factorization of 10487

Now multiplying the highest exponent prime factors to calculate the LCM of 10478 and 10487.

LCM(10478,10487) = 2¹ × 13² × 31¹ × 10487¹
LCM(10478,10487) = 109882786