# Factors of 490: Prime Factorization, Methods, and Examples

The total number quotient created by the factors of the 490, which are all natural numbers, divides it entirely. Other factors for 490 include 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245 and 490 and the number itself. As a result, it is a composite number.

Factor pairs are created when the factors that make up the given number are multiplied.

### Factors of 490

Here are the factors of number 490.

Factors of 490: 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245 and 490

### Negative Factors of 490

The negative factors of 490 are similar to its positive aspects, just with a negative sign.

Negative Factors of 490: -1, -2, -5, -7, -10, -14, -35, -49,- 70, -98, -245 and -490

### Prime Factorization of 490

The prime factorization of 490 is the way of expressing its prime factors in the product form.

Prime Factorization: 21 x 51 x 72

In this article, we will learn about the factors of 490 and how to find them using various techniques such as upside-down division, prime factorization, and factor tree.

## What Are the Factors of 490?

The factors of 490 are 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245 and 490. These numbers are the factors as they do not leave any remainder when divided by 490.

The factors of 490 are classified as prime numbers and composite numbers. The prime factors of the number 490 can be determined using the prime factorization technique.

## How To Find the Factors of 490?

You can find the factors of 490 by using the rules of divisibility. The divisibility rule states that any number, when divided by any other natural number, is said to be divisible by the number if the quotient is the whole number and the resulting remainder is zero.

To find the factors of 490, create a list containing the numbers that are exactly divisible by 490 with zero remainders. One important thing to note is that 1 and 490 are the 490’s factors, as every natural number has 1 and the number itself as its factor.

1 is also called the universal factor of every number. The factors of 490 are determined as follows:

$\dfrac{490}{1} = 490$

$\dfrac{490}{2} = 245$

$\dfrac{490}{5} = 98$

$\dfrac{490}{7} = 70$

$\dfrac{490}{10} = 49$

$\dfrac{490}{14} = 35$

$\dfrac{490}{35} = 14$

$\dfrac{490}{49} = 10$

$\dfrac{490}{70} = 7$

$\dfrac{490}{98} = 5$

$\dfrac{490}{245} = 2$

$\dfrac{490}{490} = 1$

Therefore, 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245 and 490 are the factors of 490.

### Total Number of Factors of 490

For 490, there are 12 positive factors and 12 negative ones. So in total, there are 24 factors of 490.

To find the total number of factors of the given number, follow the procedure mentioned below:

1. Find the factorization/prime factorization of the given number.
2. Demonstrate the prime factorization of the number in the form of exponent form.
3. Add 1 to each of the exponents of the prime factor.
4. Now, multiply the resulting exponents together. This obtained product is equivalent to the total number of factors of the given number.

By following this procedure, the total number of factors of 490 is given as:

Factorization of 490 is 21 x 51 x 72 .

The exponent of 2 is 1, 5 is 1, and 7 is 2.

Adding 1 to each and multiplying them together results in 24.

Therefore, the total number of factors 490 is 24. 12 are positive, and 12 factors are negative.

### Important Notes

Here are some essential points that must be considered while finding the factors of any given number:

• The factor of any given number must be a whole number.
• The factors of the number cannot be in the form of decimals or fractions.
• Factors can be positive as well as negative.
• Negative factors are the additive inverse of the positive factors of a given number.
• The factor of a number cannot be greater than that number.
• Every even number has 2 as its prime factor, the smallest prime factor.

## Factors of 490 by Prime Factorization

The number 490 is a composite number. Prime factorization is a valuable technique for finding the number’s prime factors and expressing the number as the product of its prime factors.

Before finding the factors of 490 using prime factorization, let us find out what prime factors are. Prime factors are the factors of any given number that are only divisible by 1 and themselves.

To start the prime factorization of 490, start dividing by its most minor prime factor. First, determine that the given number is either even or odd. If it is an even number, then 2 will be the smallest prime factor.

Continue splitting the quotient obtained until 1 is received as the quotient. The prime factorization of 490 can be expressed as:

490 =21 x 51 x 72

## Factors of 490 in Pairs

The factor pairs are the duplet of numbers that, when multiplied together, result in the factorized number. Factor pairs can be more than one depending on the total number of factors given.

For 490, the factor pairs can be found as:

1 x 490 = 490

2 x 245 = 490

5 x 98 = 490

7 x 70  = 490

10 x 49  = 490

14 x 35 = 490

The possible factor pairs of 490 are given as (1, 490),(2, 245),(5, 98), (7, 70), (10, 49), and  (14, 35).

All these numbers in pairs, when multiplied, give 490 as the product.

The negative factor pairs of 490 are given as:

-1 x -490 = 490

-2 x -245 = 490

-5 x -98 = 490

-7 x -70  = 490

-10 x -49  = 490

-14 x -35 = 490

It is important to note that in negative factor pairs, the minus sign has been multiplied by the minus sign, due to which the resulting product is the original positive number. Therefore, -1, -2, -5, -7, -10, -14, -35, -49,- 70, -98, -245 and -490 are called negative factors of 490.

The list of all the factors 490, including positive as well as negative numbers, is given below.

Factor list of 490: 1,-1, 2,-2,5, -5,7, -7, 10,-10, 14,-14, 35,-35, 49,-49,70,-70, 98,-98, 245,-245, 490, and -490

## Factors of 490 Solved Examples

To better understand the concept of factors, let’s solve some examples.

### Example 1

How many factors of 490 are there?

### Solution

The total number of Factors  490 is 24.

Factors of 490 are 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245 and 490.

### Example 2

Find the factors of 490 using prime factorization.

### Solution

The prime factorization of 490 is given as:

490 $\div$ 2 = 245

245 $\div$ 5 = 49

49 $\div$ 7 = 7

7 $\div$ 7 = 1

So the prime factorization of 490  can be written as:

21 x 51 x 72 = 490