AMC 10 Step by Step
Log inSign up
Printable

2003 AMC 10A Problem 14

Include the solutionBack to the problem
2003 AMC 10A Problem 14AMC 10 Step by Step
Name:                             Date: September 13, 2026
Primes · difficulty 3 of 5 · about 3 min · position P11-15

Let nn be the largest integer that is the product of exactly 3 distinct prime numbers dd , ee , and 10d+e10d+e , where dd and ee are single digits. What is the sum of the digits of nn ?

  1. A)

    1212

  2. B)

    1515

  3. C)

    1818

  4. D)

    2121

  5. E)

    2424

Working