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  1. This is an easy question! I'm not telling you! You should know already! I'll give you a hint: never use the actual number!
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Q: What are the proper factors of 12?
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What are proper factors of 36?

2, 3, 4, 6, 9, 12, 18


What are proper factors?

Factors are the numbers that evenly divide into a given number.Proper factors are all the factors of the number except the number itself. Some definitions do not allow the number 1, either. If you distinguish between proper factors and proper divisors, proper factors do not include 1, but proper divisors do.Examples:All factors of 54 are 1, 2, 3, 6, 9, 18, 27, and 54.Proper factors of 54 are 2, 3, 6, 9, 18, and 27.Proper divisors of 54 are 1, 2, 3, 6, 9, 18, and 27.All factors of 9 are 1, 3, and 9.Proper factors of 9 are only 3.Proper divisors of 9 are 1 and 3.All factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30.Proper factors of 30 are 2, 3, 5, 6, 10, and 15.Proper divisors of 30 are 1, 2, 3, 5, 6, 10, and 15.All factors of 100 are 1, 2, 4, 5, 10, 20, 25, 50, and 100.Proper factors of 100 are 2, 4, 5, 10, 20, 25, and 50.Proper divisors of 100 are 1, 2, 4, 5, 10, 20, 25, and 50.All factors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, and 120.Proper factors of 120 are 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, and 60.Proper divisors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, and 60.


Which positive integer less than 100 has the most proper factors?

Sometimes the number 1 is included in the proper factors, and sometimes it is not. In the list of factors I have included the number 1. The following numbers have 10 or 11 proper factors, depending on whether 1 is allowed as a proper factor. The factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36. The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42. The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45. The factors of 96 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48.


What is the difference between factors and proper factors?

Proper factors do not include one and the number itself.


What are the proper factors of 89?

Prime numbers don't have proper factors.

Related questions

What are all of the proper factors of 12?

2, 3, 4 and 6


What are all the proper factors of 24?

2, 3, 4, 6, 8, 12


What are proper factors of 36?

2, 3, 4, 6, 9, 12, 18


What are all the proper factors of 36?

The factors of 36 are: 1, 2, 3, 4, 6, 9, 12, 18, 36.


What are the proper factors of 8 and 12 and what is the LCM?

For 8: 2 and 4 For 12: 2, 3, 4 and 6 The LCM of 8 and 12 is 24


Proper factors of 48?

2, 3, 4, 6, 8, 12, 16, 24


What are proper factors of 48?

2, 3, 4, 6, 8, 12, 16, 24


What number has the factors of 2 3 4 6 8 12 16 24 32 48?

Those are the proper factors of 96.


Do all proper factors have some factors that you can multiply to get another proper factor?

No. Some proper factors are prime.


Does three have proper factors?

No, no prime number has proper factors.


What are the proper factors for the number 1?

One has no proper factors.


What are proper factors for 1?

1 doesn't have proper factors.