Multiples and factors

Advanced Math 4 · Unit 3 · factors-multiples-intro

factors-multiples-intro

Name ______________________________Date ______________

1.
How many factors does $24$ have? Count $1$ and $24$ themselves.
Answer: ______________
2.
List all the factors of $36$ in pairs. What is the sum of all the factors of $36$ ?
Answer: ______________
3.
Which of these numbers is prime?
1. (A)
  $1$
2. (B)
  $51$
3. (C)
  $53$
4. (D)
  $91$