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Factors of 125 Explained with Step by Step Method

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What Are the Factors of 125 and How to Find Them

The concept of factors of 125 is essential in mathematics and helps in solving real-world and exam-level problems efficiently. Understanding factors allows students to break down numbers, work with multiplication and division, and analyze numerical patterns, especially with perfect cubes like 125.


Understanding Factors of 125

A factor of 125 is any whole number that divides 125 exactly, leaving no remainder. Factors are important in prime factorization, finding factor pairs, divisibility, and understanding number properties. For example, 1, 5, 25, and 125 are all whole numbers that can divide 125 evenly, so they are the factors of 125. Knowing the factors helps greatly with algebra, multiples, and simplifying math problems.


List of All Factors of 125

The factors of 125 are:

1, 5, 25, 125

Each of these numbers divides 125 completely, without leaving a remainder.


Factors of 125 in Pairs

Factor pairs are two numbers that, when multiplied together, give 125. Here are both the positive and negative factor pairs of 125:

Pair Product
(1, 125) 1 × 125 = 125
(5, 25) 5 × 25 = 125
(-1, -125) (-1) × (-125) = 125
(-5, -25) (-5) × (-25) = 125

This table makes it simple to spot all possible combinations that form 125.


Prime Factorization of 125

Prime factorization helps break a number into its smallest prime factor components. For 125, here is the step-by-step prime factorization:

1. Divide 125 by the smallest prime, 5: 125 ÷ 5 = 25

2. Divide 25 by 5: 25 ÷ 5 = 5

3. Divide 5 by 5: 5 ÷ 5 = 1

So, the prime factorization of 125 is: 5 × 5 × 5 or \(5^3\).

This shows clearly that 125 is a perfect cube (since it is 5 × 5 × 5).


How to Find the Factors of 125 (Step-by-Step)

To find all the factors of 125 using the division method, follow these steps:

1. Start dividing 125 by numbers starting from 1 up to 125.

2. If the result is a whole number (no remainder), that divisor is a factor.

- 125 ÷ 1 = 125 ✔️
- 125 ÷ 2 = 62.5 (not whole, so skip)
- 125 ÷ 5 = 25 ✔️
- 125 ÷ 25 = 5 ✔️
- 125 ÷ 125 = 1 ✔️

3. Each quotient that is a whole number gives a factor. Thus, the factors are 1, 5, 25, 125.

Solved Example – Factor Related Question

Example: What is the sum of all factors of 125?

Step 1. List all factors: 1, 5, 25, 125

Step 2. Add them: 1 + 5 + 25 + 125 = 156

Related Numbers and Comparative Links

Studying the factors of 125 is easier when you compare them with similar numbers. Explore these for a deeper understanding:


Practice Problems

  • Write all the factors of 125 along with their pairs.
  • Is 25 a factor of 125? Show the process.
  • Find all perfect square factors of 125.
  • Is 10 a factor of 125? Explain why or why not.
  • List and compare factors of 125 and 25.

Common Mistakes to Avoid

  • Confusing factors of 125 with multiples of 125 (factors are numbers that divide, not numbers that are divisible by 125).
  • Forgetting to include 1 and 125 themselves as factors.
  • Assuming every number less than 125 is a factor, which is never true.

Real-World Applications

The concept of factors of 125 can be used in sharing and packaging (like 125 items divided equally), in algebraic simplifications, and in competitive mathematics exams. Vedantu helps students approach such factorization problems with step-by-step logic, building confidence for exams and real applications.


We explored the idea of factors of 125, how to find them, how to factorize 125 into its prime factors, and where these concepts help in both academic and real-world math. For more practice, in-depth explanations and live problem solving, keep learning with Vedantu!


FAQs on Factors of 125 Explained with Step by Step Method

1. What are the factors of 125?

The factors of 125 are 1, 5, 25, and 125. These are the positive integers that divide 125 exactly without leaving a remainder.

  • 125 ÷ 1 = 125
  • 125 ÷ 5 = 25
  • 125 ÷ 25 = 5
  • 125 ÷ 125 = 1
These are also called the positive factors of 125.

2. How do you find the factors of 125?

To find the factors of 125, divide 125 by integers and check which ones give a remainder of zero. Follow these steps:

  • Start dividing from 1 upward.
  • Check which numbers divide 125 exactly.
  • List the corresponding factor pairs.
Since 125 = 5 × 5 × 5, its factors are 1, 5, 25, 125.

3. What is the prime factorization of 125?

The prime factorization of 125 is 5 × 5 × 5 or . This means 125 is formed by multiplying the prime number 5 three times.

  • 125 ÷ 5 = 25
  • 25 ÷ 5 = 5
  • 5 ÷ 5 = 1
Therefore, the only prime factor of 125 is 5.

4. How many factors does 125 have?

The number 125 has 4 factors. Using prime factorization, 125 = 5³. Apply the formula for total factors:

  • If n = am, number of factors = (m + 1)
  • Here, m = 3
  • Total factors = 3 + 1 = 4
The factors are 1, 5, 25, and 125.

5. Is 125 a prime or composite number?

The number 125 is a composite number because it has more than two factors. A prime number has exactly two factors: 1 and itself.

  • Factors of 125: 1, 5, 25, 125
  • Since it has 4 factors, it is not prime.
Thus, 125 is a composite number.

6. What are the factor pairs of 125?

The factor pairs of 125 are (1, 125) and (5, 25). Factor pairs are two numbers that multiply together to give 125.

  • 1 × 125 = 125
  • 5 × 25 = 125
These pairs represent all positive combinations of factors of 125.

7. What are the common factors of 125 and 25?

The common factors of 125 and 25 are 1, 5, and 25. Common factors are numbers that divide both numbers exactly.

  • Factors of 125: 1, 5, 25, 125
  • Factors of 25: 1, 5, 25
The shared factors are 1, 5, and 25.

8. What is the greatest common factor (GCF) of 125 and 25?

The greatest common factor (GCF) of 125 and 25 is 25. The GCF is the largest number that divides both numbers exactly.

  • Prime factorization of 125 = 5³
  • Prime factorization of 25 = 5²
  • Common prime factors = 5²
So, GCF = 5² = 25.

9. What are the multiples of 125?

The multiples of 125 are numbers obtained by multiplying 125 by whole numbers. Some common multiples are:

  • 125 × 1 = 125
  • 125 × 2 = 250
  • 125 × 3 = 375
  • 125 × 4 = 500
Multiples of 125 continue infinitely.

10. What is the sum of the factors of 125?

The sum of the factors of 125 is 156. Add all its positive factors:

  • 1 + 5 + 25 + 125
  • = 156
Therefore, the total sum of factors of 125 equals 156.