# Factors of 1997

Factors of 1997 are 1 and 1997

#### How to find factors of a number

 1.   Find factors of 1997 using Division Method 2.   Find factors of 1997 using Prime Factorization 3.   Find factors of 1997 in Pairs 4.   How can factors be defined? 5.   Frequently asked questions 6.   Examples of factors

### Example: Find factors of 1997

• Divide 1997 by 1: 1997 ÷ 1 : Remainder = 0
• Divide 1997 by 1997: 1997 ÷ 1997 : Remainder = 0

Hence, Factors of 1997 are 1 and 1997

#### 2. Steps to find factors of 1997 using Prime Factorization

A prime number is a number that has exactly two factors, 1 and the number itself. Prime factorization of a number means breaking down of the number into the form of products of its prime factors.

There are two different methods that can be used for the prime factorization.

#### Method 1: Division Method

To find the primefactors of 1997 using the division method, follow these steps:

• Step 1. Start dividing 1997 by the smallest prime number, i.e., 2, 3, 5, and so on. Find the smallest prime factor of the number.
• Step 2. After finding the smallest prime factor of the number 1997, which is 1997. Divide 1997 by 1997 to obtain the quotient (1).
1997 ÷ 1997 = 1
• Step 3. Repeat step 1 with the obtained quotient (1).

So, the prime factorization of 1997 is, 1997 = 1997.

#### Method 2: Factor Tree Method

We can follow the same procedure using the factor tree of 1997 as shown below:

So, the prime factorization of 1997 is, 1997 = 1997.

#### 3. Find factors of 1997 in Pairs

Pair factors of a number are any two numbers which, which on multiplying together, give that number as a result. The pair factors of 1997 would be the two numbers which, when multiplied, give 1997 as the result.

The following table represents the calculation of factors of 1997 in pairs:

Factor Pair Pair Factorization
1 and 1997 1 x 1997 = 1997

Since the product of two negative numbers gives a positive number, the product of the negative values of both the numbers in a pair factor will also give 1997. They are called negative pair factors.

Hence, the negative pairs of 1997 would be ( -1 , -1997 ) , .

#### How do you explain factors?

In mathematics, a factor is a number or also it can be an algebraic expression that divides another number or any expression completely and that too without leaving any remainder. A factor of a number can be positive or negative.

#### Properties of factors

• Every factor of a number is an exact divisor of that number, example 1, 1997 are exact divisors of 1997.
• Every number other than 1 has at least two factors, namely the number itself and 1.
• Each number is a factor of itself. Eg. 1997 is a factor of itself.
• 1 is a factor of every number. Eg. 1 is a factor of 1997.

• What is prime factorization of 1997?

Prime factorization of 1997 is 1997.

• How do you find factors of a negative number? ( eg. -1997 )?

Factors of -1997 are -1, -1997.

• What are the prime factors of 1997?

The factors of 1997 are 1, 1997.
Prime factors of 1997 are 1997.

• What are pair factors of 1997?

The pair factors of 1997 are (1,1997).

• What is the greatest prime factors of 1997?

The greatest prime factor of 1997 is 1997.

• What are six multiples of 1997?

First five multiples of 1997 are 3994, 5991, 7988, 9985, 11982, 13979.

• What are factors of 1997?

Factors of 1997 are 1, 1997.

• Which is the smallest prime factor of 1997?

Smallest prime factor of 1997 is 1997.

• Is 1997 a whole number?

Yes 1997 is a whole number.

#### Examples of Factors

Kevin has been asked to write 1 factor(s) of 1997. Can you predict the answer?

1 factor(s) of 1997 is 1.

Sammy is puzzled while calculating the prime factors of 1997. Can you help him find them?

Factors of 1997 are 1, 1997.
Prime factors of 1997 are 1997

What is prime factorization of 1997?

Prime factorization of 1997 is 1997 = 1997.

Ariel has been assigned the task to find the product of all the prime factors of 1997. Can you help her?

Prime factors of 1997 are 1997.
Hence, the product of prime factors of 1997.

Can you help Rubel to find out the product of the even factors of 1997?

Factors of 1997 are 1, 1997.
Even factors of 1997 are 0.
Hence, product of even factors of 1997 is; 0 = 0.

Joy wants to calculate mean of all the factors of 1997. Help him in finding the mean of 1997.

Factors of 1997 are 1, 1997.
To calculate the mean we need to calculate the sum of factors first. Sum of factors of 1997 is 1 + 1997 = 1998.
Hence, the mean of factors of 1997 is 1998 ÷ 2 = 999.00.

Annie's mathematics teacher has asked her to find out all the positive and negative factors of 1997? Help her in writing all the factors.

Positive factors are 1, 1997.
Negative factors are -1, -1997.