Table of Contents
What are two factors of 28?
Factors of 28
- Factors of 28: 1, 2, 4, 7, 14 and 28.
- Negative Factors of 28: -1, -2, -4, -7, -14 and -28.
- Prime Factors of 28: 2, 7.
- Prime Factorization of 28: 2 × 2 × 7 = 22 × 7.
- Sum of Factors of 28: 56.
What two factors make 9?
Pair factors of 9 are: 1 × 9 = 9. 3 × 3 = 9….Important Notes:
- Factors of 9 are 1, 3, and 9.
- 1 is a universal factor.
- Factors of a number are the numbers we multiply to get that particular number.
Which number has a factor of 9?
Table of Factors and Multiples
| Factors | Multiples | |
|---|---|---|
| 1, 7 | 7 | 28 |
| 1, 2, 4, 8 | 8 | 32 |
| 1, 3, 9 | 9 | 36 |
| 1, 2, 5, 10 | 10 | 40 |
What is the sum of the factors of 28?
The sum of the three prime factors of 28, is 2 + 2 + 7 = 11. The sum of the two distinct prime factors of 28, is 2 + 7 = 9. The sum of the divisors of 28 excluding itself, is 1+2+4+7+14 = 28. The sum of all divisors of 28, is 1+2+4+7+14+28 = 56. The number 28 has 6 divisors in total.
How many factors are in factor pairs of 288?
Only whole numbers and intergers can be converted to factors. Factors of 288 that add up to 819 =1 + 2 + 3 + 4 + 6 + 8 + 9 + 12 + 16 + 18 + 24 + 32 + 36 + 48 + 72 + 96 + 144 + 288
What are the factor pairs for the number 18?
Testing the integer values 1 through 4 for division into 18 with a 0 remainder we get these factor pairs: (1 and 18), (2 and 9), (3 and 6). The factors of 18 are 1, 2, 3, 6, 9, 18. All of the above information and methods generally apply to factoring negative numbers.
How does a factoring calculator calculate a number?
Calculator Use The Factoring Calculator finds the factors and factor pairs of a positive or negative number. Enter an integer number to find its factors. For positive integers the calculator will only present the positive factors because that is the normally accepted answer.