kwizNET Subscribers, please login to turn off the Ads!
Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 5 - Mathematics
1.16 Prime Factorization or Factor Trees

Prime number is a number that is greater than 1 and divisible by only itself and 1
Prime Factorization of a number is the expression of a number as a product of prime factors.


Directions: Choose the prime factorization of the number given in each question. Also write at least 10 examples of your own.
Q 1: 30 =
2 X 3 X 5
2 X 3 X 3
5 X 2 X 3 X 2

Q 2: 30 =
5 X 2 X 2 X 2
5 X 2
5 X 2 X 3

Q 3: 9 =
3 x 3 x 3
3 x 3
3 x 3 x 2

Q 4: 40 =
2 X 2 X 6
2 X 2 X 2 X 5
2 X 3 X 2 X 6

Q 5: 90 =
3 X 3 X 2 X 6
3 X 5 X 2 X 5
3 X 3 X 2 X 5

Q 6: 300 =
3 X 5 X 5 X 5
2 X 3 X 5 X 2 X 5
3 X 5 X 2 X 6

Question 7: This question is available to subscribers only!

Question 8: This question is available to subscribers only!


Subscription to kwizNET Learning System offers the following benefits:

  • Unrestricted access to grade appropriate lessons, quizzes, & printable worksheets
  • Instant scoring of online quizzes
  • Progress tracking and award certificates to keep your student motivated
  • Unlimited practice with auto-generated 'WIZ MATH' quizzes
  • Child-friendly website with no advertisements
  • Choice of Math, English, Science, & Social Studies Curriculums
  • Excellent value for K-12 and ACT, SAT, & TOEFL Test Preparation
  • Get discount offers by sending an email to discounts@kwiznet.com

Quiz Timer