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1, -1, 3, -3, 7, -7, 21, -21

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Q: What are all the integer factor of -21?
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Related questions

What is the highest factor of 21?

Aside from itself (21), the highest integer factor of 21 is 7.


What are all the integer factor pairs for the number -21?

-21 and 1 -7 and 3 -3 and 7 -1 and 21


What are the integer factor pairs for -21?

(21,-1)(7,-3)(-21,1)(-7,3)


How many factor pairs does 21 have?

The factor pairs of 21 are:1, 213, 7Therefore, the number 21 has two pairs of positive integer factors.


What is the greatest common factor of 21 and 105?

The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 21 and 105 is 21.


What factor is 310 in?

It is a factor in all numbers of the form 310*k where k is an integer.


What does 11 and 21 both go in to?

Since 11 is a prime number, the only shared positive integer factor of 11 and 21 is 1.


What is the gcf of 22 and 21?

The only positive integer common factor between the two numbers is 1. Therefore, the Greatest Common factor is 1.


What is the greatest common factor of 21 and 34?

The greatest common factor of 21 and 34 is 1 The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.


What is the greatest factor of 56?

The greatest factor of any integer is the integer itself.


What is the greatest factor of 55?

The greatest factor of any integer is the integer itself.


What is the greatest common factor of 21 and 55?

The greatest common factor of 21 and 55 is 1 The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.