GCF and LCM Calculator Logo

What is the Least Common Multiple of 21571 and 21588?

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 21571 and 21588 is 465674748.

LCM(21571,21588) = 465674748

LCM Calculator and
and

Least Common Multiple of 21571 and 21588 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21571 and 21588, than apply into the LCM equation.

GCF(21571,21588) = 1
LCM(21571,21588) = ( 21571 × 21588) / 1
LCM(21571,21588) = 465674748 / 1
LCM(21571,21588) = 465674748

Least Common Multiple (LCM) of 21571 and 21588 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 21571 and 21588. First we will calculate the prime factors of 21571 and 21588.

Prime Factorization of 21571

Prime factors of 21571 are 11, 37, 53. Prime factorization of 21571 in exponential form is:

21571 = 111 × 371 × 531

Prime Factorization of 21588

Prime factors of 21588 are 2, 3, 7, 257. Prime factorization of 21588 in exponential form is:

21588 = 22 × 31 × 71 × 2571

Now multiplying the highest exponent prime factors to calculate the LCM of 21571 and 21588.

LCM(21571,21588) = 111 × 371 × 531 × 22 × 31 × 71 × 2571
LCM(21571,21588) = 465674748