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Using the definition that proper factors do not include 1 and the number itself, prime numbers do not have proper factors.
1:
2:
3:
4: 2
5:
6: 2, 3
7:
8: 2, 4
9: 3
10: 2, 5
11:
12: 2, 3, 4, 6
13:
14: 2, 7
15: 3, 5
16: 2, 4, 8
17:
18: 2, 3, 6, 9
19:
20: 2, 4, 5, 10
21: 3, 7
22: 2, 11
23:
24: 2, 3, 4, 6, 8, 12
25: 5
26: 2, 13
27: 3, 9
28: 2, 4, 7, 14
29:
30: 2, 3, 5, 6, 10, 15
31:
32: 2, 4, 8, 16
33: 3, 11
34: 2, 17
35: 5, 7
36: 2, 3, 4, 6, 9, 12, 18
37:
38: 2, 19
39: 3, 13
40: 2, 4, 5, 8, 10, 20
41:
42: 2, 3, 6, 7, 14, 21
43:
44: 2, 4, 11, 22
45: 3, 5, 9, 15
46: 2, 23
47:
48: 2, 3, 4, 6, 8, 12, 16, 24
49: 7
50: 2, 5, 10, 25
The proper factors of 30 are: 1 ,2, 5, 10 and 15. Proper factors are all the numbers that equally go into a number except the number itself! :)
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Why are 3 and 6 excluded?
Out of that list, the only number that has proper factors is 4. The proper factor of 4 is 2.
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numbers with 2 3 5 as factors?
Of the numbers from 1 to 30, only 30 has all three of those numbers as factors.
What are the factors for number 73?
Prime numbers don't have proper factors.
What two numbers have a common factor of 30?
There are not common factors of 30 because there cannot be common factors without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The prime factors of 30 are 2, 3, and 5.
What are the common factors of 30 and 300?
The common factors of 30 and 300 are the numbers that can divide both 30 and 300 without leaving a remainder. The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The factors of 300 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, and 300. Therefore, the common factors of 30 and 300 are 1, 2, 3, 5, 6, 10, 15, and 30.
What is a list of the factors of 23?
23 is prime. Prime numbers don't have proper factors.
What are the factors of 1 through 30?
The factors of all the numbers 1 through 30 include all the numbers 1 through 30.
numbers with 2 3 5 as factors?
Of the numbers from 1 to 30, only 30 has all three of those numbers as factors.
What is the proper factors between 1 and 30?
The proper factors of 30 are 2, 3, 5, 6, 10 and 15
What are all the proper factors for 97?
The factors of 97 are 1 and 97. Prime numbers don't have "proper" factors.
What numbers do not include the number itself?
the proper factors are the factors of a number not including the number itself, or 1.
Is 9 prime?
No 9 is not prime. It's factors are 1,3,9. Proper factors: 1,3. Factors are numbers that are multiplied with other numbers to get a product. Proper factors are factors of a number except for itself. No 9 is not prime. It's factors are 1,3,9. Proper factors: 1,3. Factors are numbers that are multiplied with other numbers to get a product. Proper factors are factors of a number except for itself. Composite numbers are numbers with more than 2 factors and more than 1 proper factor. Prime is the opposite of composite.
What are proper numbers?
You might be thinking of proper factors. Proper factors are just like the set of regular factors, except for 1 and the number itself.
What are all the proper factors of 41?
41 is prime, therefore the factors are 1 and 41. Prime numbers don't have "proper" factors.
What are the proper factors of 13?
13 is a prime number so the only factors are 1 and itself. Prime numbers have no proper factors.
Is the number 9 prime?
No 9 is not prime. It's factors are 1,3,9. Proper factors: 1,3. Factors are numbers that are multiplied with other numbers to get a product. Proper factors are factors of a number except for itself. Composite numbers are numbers with more than 2 factors and more than 1 proper factor. Prime is the opposite of composite.
What are the factors for number 73?
Prime numbers don't have proper factors.
What are all the proper factors of 59?
Since 59 is prime, the only factors are 1 and 59. Prime numbers don't have "proper" factors.
