AMC 10 Step by Step
Log inSign up
Printable

2019 AMC 10B Problem 2

Include the solutionBack to the problem
2019 AMC 10B Problem 2AMC 10 Step by Step
Name:                             Date: September 13, 2026
Logic Puzzles · difficulty 1 of 5 · about 1 min · position P1-10

Consider the statement, "If nn is not prime, then n−2n-2 is prime." Which of the following values of nn is a counterexample to this statement?

  1. A)

    1111

  2. B)

    1515

  3. C)

    1919

  4. D)

    2121

  5. E)

    2727

Working