Chapter 4.4, Problem 23OE

To determine

To state : five prime numbers less than $50$ , other than the ten given.

Answer to Problem 23OE

The last five prime numbers less than $50$ are:

  $31,\text{ 37, 41, 43, and 47}$ .

Explanation of Solution

Given information :

There are fifteen prime numbers less than $50$ .

The ten prime numbers (less than $50$ ) given on page $179$ :

  $2,3,5,7,11,13,17,19,23\text{ and 29}$

As per problem,

A prime number is an integer greater than $1$ whose only positive integral factors are itself and $1$ .

The first ten prime numbers are already given.

The last five prime numbers less than $50$ are:

  $31,\text{ 37, 41, 43, and 47}$ .