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The proper factors of a number are all the factors less than itself, so the proper factors of 126 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, and 63. In some cases, the number 1 is excluded from the list of proper factors, too.
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∙ 15y ago
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Is 126 an odd number?
Actually, no! 126 is an even number because it factors up with 2.
Why is the set of factors of a number not the same as the proper factors of that number?
The proper factors of a number do not include one and the number itself.
What are proper factors of a certain number?
"Proper factors" are all of a number's factors except one and the number itself.
Which number has 2 7 and 9 as its factors?
126
What numbers do not include the number itself?
the proper factors are the factors of a number not including the number itself, or 1.
What is the difference between the factors and the proper factors of a number?
The proper factors are the regular factors without one and the number itself.
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.
Why is the set of factors of a number not the same as the set of proper factors of the number?
The set of factors includes one and the number itself. Proper factors do not include those two.
Why is a set of factors of a number not the same as a set of proper factors of what number?
Proper factors don't include one and the number itself.
What the prime factors of the number 126?
2, 3 and 7
What are the proper factors of 64?
The proper factors of 64 are 2, 4, 8, 16 and 32. For proper factors of a number exclude 1 and the number itself from the list of factors.
