What is the Least Common Multiple of 43458 and 43469?

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 43458 and 43469 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43458 and 43469, than apply into the LCM equation.

GCF(43458,43469) = 1
LCM(43458,43469) = ( 43458 × 43469) / 1
LCM(43458,43469) = 1889075802 / 1
LCM(43458,43469) = 1889075802

Least Common Multiple (LCM) of 43458 and 43469 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43458 and 43469. First we will calculate the prime factors of 43458 and 43469.

Prime Factorization of 43458

Prime Factorization of 43469

Now multiplying the highest exponent prime factors to calculate the LCM of 43458 and 43469.

LCM(43458,43469) = 2¹ × 3¹ × 7243¹ × 17¹ × 2557¹
LCM(43458,43469) = 1889075802