2.1 GCDs

Divisors


  1. How many prime divisors does 12 have?

    The prime divisors are 2 and 3.

  2. How many positive divisors does 12 have?

    The positive divisors are 1, 2, 3, 4, 6, and 12.

  3. How many divisors does 12 have?

    The divisors are \(\pm\) 1, \(\pm\) 2, \(\pm\) 3, \(\pm\) 4, \(\pm\) 6, and \(\pm\) 12.