Factors of 18 – Frequently Asked Questions
What are the Factors of 18?
Factors of 18 are: 1, 2, 3, 6, 9 and 18.
How many Factors does 18 have?
The number 18 has exactly 6 Factors.
Is 9 a Factor of 18?
Yes, 9 is the factor of 18 as 9 completely divides 18.
Is 18 a Factor of 19?
No , 18 a not a factor of 19 as 19 is prime number and {1 , 19} are the only factors of 19.
What are the Co-Prime Factors of 18?
The co-prime factor pairs of 18 are {1, 18}, {2, 9}, and {3, 6}.
What is the Highest Common Factor (HCF) of 18 and 12?
Factors of 18: {1, 2, 3, 6, 9, 18}Factors of 12: {1, 2, 3, 4, 6, 12}Now, we can identify the common factors and determine the greatest one:Common factors are {1, 2, 3, 6}The highest common factor (HCF) of 18 and 12 is 6.
What is the Least Common Factor (LCM) of 18 and 27?
To find LCM, we need to find multiples of 18 and 27:Multiples of 18: 18, 36, 54, 72, 90, …Multiples of 27: 27, 54, 81, 108, …The least common multiple is 54.
Factors of 18
Factors of 18 are 1, 2, 3, 6, 9 and 18. The factors of a number give back the original number when multiplied in pairs. Generally, the factors of the number are the number that divides the original number completely. The number 18 is composite because it has more factors other than 1 and the number itself.
In this article, we are going to learn what are the factors of 18, prime factors of 18 and how to find factors of 18 along with some examples based on this concept.
Table of Content
- What is a Factor?
- What are the Factors of 18?
- How to Find Factors of 18?
- Factor Tree of 18
- Factor Pairs of 18