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Home > CCA > Chapter 4 > Lesson 4.1.1 > Problem 4-13

4-13.

A prime number is defined as a number with exactly two integer factors: itself and 1. Jeannie thinks that all prime numbers are odd. Is she correct? If so, state how you know. If not, provide a counterexample. Homework Help ✎

List the first 5 prime numbers.

2, 3, 5, 7, 11

2 is an even number.