

How to Use the Prime Factorization Calculator with Examples
What is Prime Factorization Calculator?
A prime factorization calculator breaks any whole number into its prime number building blocks, instantly and step by step. You simply enter your number, and it displays all the prime factors as a multiplication.
This tool saves time compared to manual division or drawing factor trees, especially for large numbers. It helps you see every division, making concepts and number theory problems easy to visualize.
Formula Behind Prime Factorization Calculator
To find the prime factors of any positive integer greater than 1, divide continuously by the lowest possible prime (starting from 2, then 3, 5, etc.), each time saving the divisor when it fits exactly. Keep dividing by the same prime until it no longer divides evenly, and then move to the next prime, repeating until the result is 1. The original number equals the product of all the primes found.
Prime Factorization Table
| Number | Prime Factorization | Steps (abbreviated) |
|---|---|---|
| 12 | 2 × 2 × 3 | 12÷2=6, 6÷2=3, 3÷3=1 |
| 18 | 2 × 3 × 3 | 18÷2=9, 9÷3=3, 3÷3=1 |
| 24 | 2 × 2 × 2 × 3 | 24÷2=12, 12÷2=6, 6÷2=3, 3÷3=1 |
| 36 | 2 × 2 × 3 × 3 | 36÷2=18, 18÷2=9, 9÷3=3, 3÷3=1 |
| 48 | 2 × 2 × 2 × 2 × 3 | 48÷2=24...→3÷3=1 |
| 60 | 2 × 2 × 3 × 5 | 60÷2=30, 30÷2=15, 15÷3=5, 5÷5=1 |
| 72 | 2 × 2 × 2 × 3 × 3 | 72÷2=36...→3÷3=1 |
| 100 | 2 × 2 × 5 × 5 | 100÷2=50, 50÷2=25, 25÷5=5, 5÷5=1 |
| 120 | 2 × 2 × 2 × 3 × 5 | 120÷2=60...→5÷5=1 |
| 210 | 2 × 3 × 5 × 7 | 210÷2=105, 105÷3=35, 35÷5=7, 7÷7=1 |
| 180 | 2 × 2 × 3 × 3 × 5 | 180÷2=90...→5÷5=1 |
| 756 | 2 × 2 × 3 × 3 × 3 × 7 | 756÷2...→7÷7=1 |
Steps to Use Prime Factorization Calculator
- Enter your number (from 2 up to 10,000,000,000) in the box above.
- Click the "Calculate" button.
- Read the list of prime factors and see each calculation step shown.
Why Use Vedantu’s Prime Factorization Calculator?
It provides instant, exact prime factors of any number, complete with stepwise explanations you can trust in exams. The mobile-friendly design ensures you can review or practice prime factorizations anytime, anywhere.
All outputs are presented with a detailed breakdown, making this tool ideal for learning or test prep. Vedantu’s calculator is reviewed by maths teachers and aligned with Indian curriculum, helping you confidently solve HCF, LCM, and more.
Applications of Prime Factorization Calculator
Prime factorization is essential for quickly finding HCF and LCM of numbers, simplifying fractions, and checking divisibility. Maths competitions and school exams often involve factoring challenges you can check with this tool.
It also has uses in coding (like cryptography), advanced topics in algebra, and even real-world problem-solving. Many competitive exams directly test your understanding of factors and multiples—skills built using this calculator.
Learn even more about prime numbers and factors on Vedantu. For related maths tools, check our HCF Calculator or explore Algebra Topics to build solid number theory foundations.
FAQs on Prime Factorization Calculator: Find Prime Factors with Steps
1. What is prime factorization?
Prime numbers are whole numbers greater than 1 that are only divisible by 1 and themselves (e.g., 2, 3, 5, 7, 11).
2. How do you find the prime factors of a number?
3. What is the prime factorization of 180?
4. How do I use a prime factorization calculator?
5. What are the prime factors of 756?
6. What is the difference between factors and prime factors?
7. Why is prime factorization important?
8. How can I find the prime factors of a large number?
9. What are some real-world applications of prime factorization?
10. How is prime factorization used to find the LCM and HCF?
11. Can I use this calculator for fractions?





















