What is the Least Common Multiple of 16421 and 16429?

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 16421 and 16429 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16421 and 16429, than apply into the LCM equation.

GCF(16421,16429) = 1
LCM(16421,16429) = ( 16421 × 16429) / 1
LCM(16421,16429) = 269780609 / 1
LCM(16421,16429) = 269780609

Least Common Multiple (LCM) of 16421 and 16429 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16421 and 16429. First we will calculate the prime factors of 16421 and 16429.

Prime Factorization of 16421

Prime Factorization of 16429

Now multiplying the highest exponent prime factors to calculate the LCM of 16421 and 16429.

LCM(16421,16429) = 16421¹ × 7¹ × 2347¹
LCM(16421,16429) = 269780609