To get 40, you can multiply several pairs of integers together. These pairs are known as the factors of 40.
Positive Factor Pairs of 40
The positive integers that multiply together to result in 40 are:
| First Number | Second Number | Pair |
|---|---|---|
| 1 | 40 | (1, 40) |
| 2 | 20 | (2, 20) |
| 4 | 10 | (4, 10) |
| 5 | 8 | (5, 8) |
Understanding Factors
Factors are whole numbers that divide another number exactly, without leaving a remainder. When two factors are multiplied together, they produce a specific product. For the number 40, the pairs listed above represent all the combinations of positive whole numbers that, when multiplied, equal 40.
Negative Factor Pairs
It's also important to note that negative integers can be multiplied to yield 40. For every positive factor pair, there is a corresponding negative factor pair:
- -1 multiplied by -40 equals 40.
- -2 multiplied by -20 equals 40.
- -4 multiplied by -10 equals 40.
- -5 multiplied by -8 equals 40.
These pairs represent all the integer combinations that multiply to 40.
