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Find factors of:
All Factors
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
12 factors
Prime Factorization
2² × 3 × 5
Factor Pairs
1×60, 2×30, 3×20...
How to Use This Calculator
1
Enter Values
Fill in the required fields with your numbers.
2
Calculate
Click calculate or see results update in real time.
3
Read Results
View detailed breakdowns and explanations below.
📘 Prime vs Composite
- Prime Number: Has exactly two factors (1 and itself). Ex: 5.
- Composite Number: Has more than two factors. Ex: 6 (1, 2, 3, 6).
- 1: Is neither prime nor composite.
🧠 Perfect Numbers
A number is "Perfect" if the sum of its factors (excluding itself) equals the number.
Ex: 6 = 1 + 2 + 3.
✅ Key Takeaways
- Factors always come in pairs (e.g. 2 and 3 are a pair for 6).
- Square numbers have an odd number of factors (e.g. 9: 1, 3, 9).
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