What is the Least Common Multiple of 16422 and 16430?

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 16422 and 16430 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16422 and 16430, than apply into the LCM equation.

GCF(16422,16430) = 2
LCM(16422,16430) = ( 16422 × 16430) / 2
LCM(16422,16430) = 269813460 / 2
LCM(16422,16430) = 134906730

Least Common Multiple (LCM) of 16422 and 16430 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16422 and 16430. First we will calculate the prime factors of 16422 and 16430.

Prime Factorization of 16422

Prime Factorization of 16430

Now multiplying the highest exponent prime factors to calculate the LCM of 16422 and 16430.

LCM(16422,16430) = 2¹ × 3¹ × 7¹ × 17¹ × 23¹ × 5¹ × 31¹ × 53¹
LCM(16422,16430) = 134906730