How to Factor Numbers? (+FREE Worksheet!)
To factor a number, find every whole number that divides into it without a remainder. Work upward in pairs from 1, stopping once the pairs start repeating at the square root, and you will have the complete list without missing any.
Free tool: try the problems from this lesson in our Factoring Calculator.
| 20 | 2 |
| 10 | 2 |
| 5 | 5 |
| 1 |
Exercises for Factoring Numbers
For education statistics and research
List all positive factors of each number.
- (color{blue}{68})
- (color{blue}{56})
- (color{blue}{24})
- (color{blue}{40})
- (color{blue}{86})
- (color{blue}{78})
Download Factoring Numbers Worksheet
- (color{blue}{1, 2, 4, 17, 34, 68})
- (color{blue}{1, 2, 4, 7, 8, 14, 28, 56})
- (color{blue}{1, 2, 3, 4, 6, 8, 12, 24})
- (color{blue}{1, 2, 4, 5, 8, 10, 20, 40})
- (color{blue}{ 1, 2, 43, 86 })
- (color{blue}{ 1, 2, 3, 6, 13, 26, 39, 78 })
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Watch this practice video for additional examples and reinforcement:
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