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Factors of 12

By Karan Singh Bisht

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Updated on 28 Apr 2025, 14:46 IST

Factors are the numbers that divide a given number exactly without leaving a remainder. Understanding factors is essential in arithmetic, algebra, and number theory. In this article, we will explore the factors of 12, how to find them, their properties, and their applications in real-life situations.

What Are Factors?

A factor of a number is any number that divides it completely.

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Example:

  • 6 is a factor of 12 because 12 ÷ 6 = 2 (no remainder).
  • 5 is not a factor of 12 because 12 ÷ 5 = 2.4 (remainder exists).

How to Find the Factors of 12?

To determine the factors of 12, find all the numbers that divide 12 without leaving a remainder.

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Step-by-Step Method:

  1. Start with 1 and 12: 1 and 12 are factors.
  2. Check divisibility:
    • 2 is a factor because 12 ÷ 2 = 6.
    • 3 is a factor because 12 ÷ 3 = 4.
    • 4 is a factor because 12 ÷ 4 = 3.
    • 6 is a factor because 12 ÷ 6 = 2.

Complete List of Factors of 12: 1, 2, 3, 4, 6, 12

Factors of 12

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Prime Factorization of 12

Prime factorization is breaking a number into its smallest prime factors.

Steps:

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  • 12 ÷ 2 = 6
  • 6 ÷ 2 = 3
  • 3 is a prime number.

Prime Factorization: 12 = 2 × 2 × 3 = 22 × 31

Pair Factors of 12

Factor Pairs of 12:

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Factor 1Factor 2Product
1121×12=12
262×6=12
343×4=12

Odd and Even Factors of 12

  • Even factors: 2, 4, 6, 12
  • Odd factors: 1, 3

Common Factors of 12 with Another Number

Example: Common Factors of 12 and 18

  • Factors of 12 = 1, 2, 3, 4, 6, 12
  • Factors of 18 = 1, 2, 3, 6, 9, 18
  • Common factors = 1, 2, 3, 6

Highest Common Factor (HCF) of 12 and Another Number

Example: HCF of 12 and 18

  • Common factors = 1, 2, 3, 6
  • HCF = 6

Applications of Factors in Real Life

  • Sharing and Grouping: Dividing 12 candies among children equally.
  • Tiling Floors: Deciding how many tiles fit without cutting.
  • LCM and HCF Calculations: Important in solving problems related to fractions, ratios, and algebra.
Also Check
Associative Property
Centroid of a Triangle
Collinear Points
Commutative Property
Cos 0
Hypotenuse

Solved Examples

Q. Find the common factors of 12 and 13.

Solution: Factors of 12 = 1, 2, 3, 4, 6 and 12.

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Factors of 13 = 1 and 13.

Hence, the common factor of 12 and 13 is 1.

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Q. List the positive and negative pair factors of 12.

Solution: The positive factor pairs of 12 are as follows: (1, 12), (2, 6), (3, 4). The negative factor pairs of 12 are (-1, -12), (-2, -6), (-3, -4).

Q. What is the sum of all the factors of 12?

Solution: The factors of 12 are 1, 2, 3, 4, 6, and 12.

Sum of the factors of 12 = 1 + 2 + 3 + 4 + 6 + 12

Sum of the factors of 12 = 28

Q. If d is a factor of both 12 and 6, what are the possible values of d?

Solution: We know the factors of 12 are 1, 2, 3, 4, 6, and 12.

We know the factors of 6 are 1, 2, 3 and 6.

The common factors of 12 and 6 are 1, 2, 3, and 6

Conclusion

Understanding factors is fundamental in mathematics. The factors of 12 are 1, 2, 3, 4, 6, and 12. We explored methods to find factors, prime factorization, factor pairs, and their applications. This knowledge is essential for problem-solving in arithmetic and algebra.

Factors of 12 FAQs

What are the total factors of 12?

The factors of 12 are 1, 2, 3, 4, 6, and 12.

What is the prime factorization of 12?

The prime factorization of 12 is 22 × 31.

What is the HCF of 12 and 18?

The HCF of 12 and 18 is 6.

What are the factor pairs of 12?

The factor pairs of 12 are (1,12), (2,6), and (3,4).

What are the odd factors of 12?

The odd factors of 12 are 1 and 3.