# Prime Numbers - Page 5

Questions

- Is 13 a prime number or a composite number?
- 1, 2, 4 and 8 are factors of which number? 8, 6, 12, or 20?
- How do you list all the factors of 40 from least to greatest?
- Is the number 141 prime or composite?
- What is a prime number between 40 and 50?
- Is 103 a prime number?
- Find the LCM of 24, 36 and 48 ? Thank you
- What is co prime numbers?
- What are the factors of 23? Is 23 prime or composite?
- Eight times what number is greater than 72?
- Seth is thinking of a number between 20 and 30. The number is prime and not more than 2 away from a perfect square. What is the number?
- What is the next number in the pattern: 4, 9, 16, 25?
- What are the first five multip|es of 6?
- The Freshman class has 27 more boys than girls. If there are 283 freshman, how many are girls?
- Mark has 312 books in his bookcases. He has 11 times as many fiction books as nonfiction books. How many fiction books does Mark have?
- When 15 is divided by the positive integer k, the remainder is 3. For how many different values of k is this true?
- As I was going to the store I saw seven dogs and one dog more. Each dog had fifteen bones to chew. How many bones came into view?
- What are all the prime factors of 144?
- What is a prime number?
- What is a composite number between 300 and 350, whose prime factors are numbers less than 20? What is the prime factorization of this number?