What is the Least Common Multiple of 43457 and 43470?

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 43457 and 43470 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43457 and 43470, than apply into the LCM equation.

GCF(43457,43470) = 1
LCM(43457,43470) = ( 43457 × 43470) / 1
LCM(43457,43470) = 1889075790 / 1
LCM(43457,43470) = 1889075790

Least Common Multiple (LCM) of 43457 and 43470 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43457 and 43470. First we will calculate the prime factors of 43457 and 43470.

Prime Factorization of 43457

Prime Factorization of 43470

Now multiplying the highest exponent prime factors to calculate the LCM of 43457 and 43470.

LCM(43457,43470) = 43457¹ × 2¹ × 3³ × 5¹ × 7¹ × 23¹
LCM(43457,43470) = 1889075790