What are the Factors of 551?

The following are the different types of factors of 551:

• Factors of 551: 1, 19, 29, 551

• Sum of Factors of 551: 600

• Negative Factors of 551: -1, -19, -29, -551

• Prime Factors of 551: 19, 29

• Prime Factorization of 551: 19^1 × 29^1

There are two ways to find the factors of 551: using factor pairs, and using prime factorization.

Factor pairs of 551 are any two numbers that, when multiplied together, equal 551. The question to ask is “what two numbers multiplied together equal 551?” Every factor can be paired with another factor, and multiplying the two will result in 551.

To find the factor pairs of 551, follow these steps:

Step 1:

Find the smallest prime number that is larger than 1, and is a factor of 551. For reference, the first prime numbers to check are 2, 3, 5, 7, 11, and 13. In this case, the smallest factor that’s a prime number larger than 1 is 19.

Step 2:

Divide 551 by the smallest prime factor, in this case, 19:

551 ÷ 19 = 29

19 and 29 will make a new factor pair.

Step 3:

Repeat Steps 1 and 2, using 29 as the new focus. Find the smallest prime factor that isn’t 1, and divide 29 by that number. In this case, 29 is the new smallest prime factor:

29 ÷ 29 = 1

Remember that this new factor pair is only for the factors of 29, not 551. So, to finish the factor pair for 551, you’d multiply 19 and 29 before pairing with 1:

19 x 29 = 551

Step 4:

Repeat this process until there are no longer any prime factors larger than one to divide by. At the end, you should have the full list of factor pairs.

Here are all the factor pairs for 551:

(1, 551), (19, 29)

So, to list all the factors of 551: 1, 19, 29, 551

The negative factors of 551 would be: -1, -19, -29, -551

To find the Prime factorization of 551, we break down all the factors of 551 until we are left with only prime factors. We then express n as a product of multiplying the prime factors together.

The process of finding the prime factorization of 551 only has a few differences from the above method of finding the factors of 551. Instead of ensuring we find the right factor pairs, we continue to factor each step until we are left with only the list of smallest prime factors greater than 1.

Here are the steps for finding the prime factorization of 551:

Step 1:

Find the smallest prime number that is larger than 1, and is a factor of 551. For reference, the first prime numbers to check are 2, 3, 5, 7, 11, and 13. In this case, the smallest factor that’s a prime number larger than 1 is 19.

Step 2:

Divide 551 by the smallest prime factor, in this case, 19

551 ÷ 19 = 29

19 becomes the first number in our prime factorization.

Step 3:

Repeat Steps 1 and 2, using 29 as the new focus. Find the smallest prime factor that isn’t 1, and divide 29 by that number. The smallest prime factor you pick for 29 will then be the next prime factor. If you keep repeating this process, there will be a point where there will be no more prime factors left, which leaves you with the prime factors for prime factorization.

So, the unique prime factors of 551 are: 19, 29

Practice your factoring skills by exploring how to factor other numbers, like the ones below:

Factors of 53 - The factors of 53 are 1, 53

Factors of 110 - The factors of 110 are 1, 2, 5, 10, 11, 22, 55, 110

Factors of 139 - The factors of 139 are 1, 139

Factors of 121 - The factors of 121 are 1, 11, 121