Question 1
Which number is the only even integer greater than 1 with exactly two positive divisors?
- 2
- 6
- 4
- 8
Show the answer
2
Educational · Mathematics
Number Theory trivia quiz
Number Theory trivia, played live: seven rounds, ten seconds a question. QuizDown has over 110 Number Theory questions, from easy to expert, and you’re matched with a real player who gets the same seven.
What the Number Theory questions cover
- Perfect Numbers
- Primitive Roots
- Divisibility
- Factors
- Prime Sequence
- Carmichael Numbers
- Class Numbers
- Common Factors
- Common Multiples
- Congruent Numbers
- Definitions
- Mersenne Primes
Try three Number Theory questions
Question 2
What is a whole number greater than 1 with exactly two positive divisors called?
- Composite number
- Prime number
- Perfect number
- Square number
Show the answer
Prime number
Question 3
What is a whole number greater than 1 that has more than two positive divisors called?
- Prime number
- Perfect number
- Composite number
- Odd number
Show the answer
Composite number
In a real match you’d have ten seconds for each, and faster right answers score more.
How a Number Theory match works
- Seven rounds. The same seven Number Theory questions for you and your opponent.
- Ten seconds each. A right answer in two seconds scores 20; at the buzzer, 11.
- The last round counts double. It’s never over until it’s over.
Your Number Theory ranking is its own: climb it without your other topics dragging you down.