GCF and LCM Calculator Logo

What is the Least Common Multiple of 21441 and 21452?

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 (LCM) of 21441 and 21452 is 459952332.

LCM(21441,21452) = 459952332

LCM Calculator and
and

Least Common Multiple of 21441 and 21452 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21441 and 21452, than apply into the LCM equation.

GCF(21441,21452) = 1
LCM(21441,21452) = ( 21441 × 21452) / 1
LCM(21441,21452) = 459952332 / 1
LCM(21441,21452) = 459952332

Least Common Multiple (LCM) of 21441 and 21452 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21441 and 21452. First we will calculate the prime factors of 21441 and 21452.

Prime Factorization of 21441

Prime factors of 21441 are 3, 7, 1021. Prime factorization of 21441 in exponential form is:

21441 = 31 × 71 × 10211

Prime Factorization of 21452

Prime factors of 21452 are 2, 31, 173. Prime factorization of 21452 in exponential form is:

21452 = 22 × 311 × 1731

Now multiplying the highest exponent prime factors to calculate the LCM of 21441 and 21452.

LCM(21441,21452) = 31 × 71 × 10211 × 22 × 311 × 1731
LCM(21441,21452) = 459952332