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 8 - Mathematics
5.23 Number Theory Review Test

Q 1: Two numbers are relatively prime if their G.C.D. is 1. (True/False)

Q 2: Two relatively prime numbers need not be prime numbers. (True/False)

Q 3: 2,4,6,8,.... are divided by 2 then the remainder is _____.

Q 4: 1000-452 is ____ number.
Odd number
Even number

Q 5: The least perfect number is ___.

Q 6: 35 and 21 are relatively prime numbers. (True/False)

Q 7: Every composite number has ___ factors.
At least 3

Q 8: 49 is ____ number.
Odd number
Even number

Question 9: This question is available to subscribers only!

Question 10: 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

Quiz Timer