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The proper factor of 21 is 1, 3 and 7

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Q: What is the proper factors of 21?
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Related questions

What are the proper factors of the number 21?

The factors of 21 are: 1, 3, 7, 21.


What are the proper factors of 21?

1, 3, 7 and 21


The proper factors of 21?

3 and 7


What are proper factors of 21?

3 and 7


What is the proper factor of 147?

The proper factors of 147 are 3, 7, 21, and 49


What proper factors of 42?

2, 3, 6, 7, 14, 21


What are the proper factors of 42?

The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42.The proper factors are 1, 2, 3, 6, 7, 14, and 21or 2, 3, 6, 7, 14, and 21 if the number 1 is excluded as it is in some definitions of proper factor.


What are the proper factors of the number 126?

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.


Is 294 a proper factor of 147?

No, 294 is not a proper factor of 147. Proper factors are smaller than the number of which they are a factor. The proper factors of 147 are 3, 7, 21, 49, and perhaps 1, depending on the definition you are using.


All the proper factors of 42?

2, 3, 6, 7, 14, 21


What are the proper factors for 42?

1, 2, 3, 6, 7, 14, 21, 42.


What are the factors and prime factors of 21?

21 is a composite number; it has factors other than 1 and itself. It is not a prime number.The 4 factors of 21 are 1, 3, 7, and 21.The factor pairs of 21 are 1 x 21 and 3 x 7.The proper factors of 21 are 1, 3, and 7 or,if the definition you are using excludes 1, the are 3 and 7.The prime factors of 21 are 3 and 7.The 2 distinct prime factors (listing each prime factor only once) are 3 and 7.The prime factorization of 21 is 3 x 7.NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.