What is the Least Common Multiple of 16121 and 16129?

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 16121 and 16129 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16121 and 16129, than apply into the LCM equation.

GCF(16121,16129) = 1
LCM(16121,16129) = ( 16121 × 16129) / 1
LCM(16121,16129) = 260015609 / 1
LCM(16121,16129) = 260015609

Least Common Multiple (LCM) of 16121 and 16129 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16121 and 16129. First we will calculate the prime factors of 16121 and 16129.

Prime Factorization of 16121

Prime Factorization of 16129

Now multiplying the highest exponent prime factors to calculate the LCM of 16121 and 16129.

LCM(16121,16129) = 7³ × 47¹ × 127²
LCM(16121,16129) = 260015609