
Prime Numbers and Python Functions Quiz
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Easy
Jennifer Brown
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are prime numbers considered important in number theory?
They are the largest numbers.
They are the building blocks of whole numbers.
They are always even.
They are used in addition.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the definition of a prime number?
A number that is always odd.
A number that is neither positive nor negative.
A number divisible by 2 and 3.
A number divisible only by 1 and itself.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first version of the primality test, which numbers are checked as divisors?
All numbers from 2 to n-1.
Only odd numbers.
All numbers from 1 to n.
Only even numbers.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What optimization is introduced in the second version of the primality test?
Testing divisors up to the square root of n.
Testing divisors up to n-1.
Testing only even numbers.
Testing only numbers greater than n.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it unnecessary to test divisors beyond the square root of a number?
Because all numbers are perfect squares.
Because factors repeat beyond the square root.
Because numbers larger than the square root are always prime.
Because it is computationally expensive.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main improvement in the third version of the primality test?
Checking numbers greater than n.
Checking only even numbers.
Skipping even numbers and checking only odd numbers.
Using a different programming language.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it efficient to skip even numbers when checking for primality?
Even numbers are always prime.
Even numbers are never prime except for 2.
Even numbers are too large.
Odd numbers are easier to check.
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