Mathematics Easy

Number Theory

Practice Number Theory MCQs as part of Mathematics.

22 MCQs
Easy difficulty

Questions in this Topic

A number that is only divisible by 1 and itself is called a:
Easy
What is the smallest prime number?
Easy
A number that can be divided evenly by 2 is called:
Easy
The greatest common divisor (GCD) of 12 and 18 is:
Medium
The least common multiple (LCM) of 4 and 6 is:
Medium
A number expressed as a ratio of two integers is called a:
Medium
Is the number 0 considered even or odd?
Easy
What is the value of 7 factorial (7!)?
Medium
Which of the following is a prime number?
Easy
What is the sum of the first five prime numbers?
Medium
A number is divisible by 9 if the sum of its digits is divisible by:
Medium
What is the greatest common divisor (GCD) of 24 and 36?
Medium
What is the least common multiple (LCM) of 8 and 12?
Medium
What is the prime factorization of 60?
Medium
The number 1 is:
Medium
What is the smallest composite number?
Easy
Which of the following is an irrational number?
Medium
What is the value of 5! (5 factorial)?
Easy
What is the remainder when 29 is divided by 5?
Easy
How many prime numbers are there between 1 and 20?
Hard
Two numbers whose greatest common divisor is 1 are called:
Medium
Which of the following is a perfect number?
Hard
Topic Info
SubjectMathematics
TopicNumber Theory
Total MCQs22
DifficultyEasy
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