WONDER #190: What Is a Prime Number?
Question 1 of 3
Which numbers between 1 and 10 are prime?
- 1, 2, 3, 5
- 2, 3, 5, 7
- 1, 3, 5, 7
- 3, 5, 7, 9
Question 2 of 3
What do you call numbers that are not prime?
- odd numbers
- even numbers
- composite numbers
- unique numbers
Question 3 of 3
Which mathematician proved that an infinite number of prime numbers exists?
- Archimedes
- Aristotle
- Euclid
- Newton
Check your answers online at https://www.wonderopolis.org/wonder/what-is-a-prime-number.