What is the Least Common Multiple of 43480 and 43493?

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 43480 and 43493 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43480 and 43493, than apply into the LCM equation.

GCF(43480,43493) = 1
LCM(43480,43493) = ( 43480 × 43493) / 1
LCM(43480,43493) = 1891075640 / 1
LCM(43480,43493) = 1891075640

Least Common Multiple (LCM) of 43480 and 43493 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43480 and 43493. First we will calculate the prime factors of 43480 and 43493.

Prime Factorization of 43480

Prime Factorization of 43493

Now multiplying the highest exponent prime factors to calculate the LCM of 43480 and 43493.

LCM(43480,43493) = 2³ × 5¹ × 1087¹ × 23¹ × 31¹ × 61¹
LCM(43480,43493) = 1891075640