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Factors of 1: As Taught by a Math Tutor
Methods
What are the Factors of 1?
As your math tutor, I’m here to guide you through the different types of factors of 1. Understanding factors is key to mastering multiplication, division, and prime numbers. Here’s a breakdown:
• Factors of 1: 1
• Sum of Factors of 1: 1
• Negative Factors of 1: -1
• Prime Factors of 1:
• Prime Factorization of 1:
There are two main ways a math tutor would explain how to find the factors of 1: using factor pairs and prime factorization. Let’s explore both!
The Factor Pairs of 1
As your math tutor, I’m here to help you break down factor pairs of 1 step by step!
Factor pairs of 1 are any two numbers that, when multiplied together, equal 1. The question to ask is “what two numbers multiplied together equal 1?” Every factor can be paired with another factor, and multiplying the two will result in 1.
To find the factor pairs of 1, follow these steps:
Step 1:
Find the smallest prime number that is larger than 1, and is a factor of 1. 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 .
Step 2:
Divide 1 by the smallest prime factor, in this case, :
1 ÷ = NaN
and NaN will make a new factor pair.
Step 3:
Repeat Steps 1 and 2, using NaN as the new focus. Find the smallest prime factor that isn’t 1, and divide NaN by that number. In this case, is the new smallest prime factor:
NaN ÷ = NaN
Remember that this new factor pair is only for the factors of NaN, not 1. So, to finish the factor pair for 1, you’d multiply and before pairing with NaN:
x = NaN
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 1:
(1, 1)
So, to list all the factors of 1: 1
The negative factors of 1 would be: -1
Now you’ve got it! A math tutor would always encourage you to practice with different numbers to reinforce your understanding of factor pairs. Try another one!
Prime Factorization of 1
To find the prime factorization of 1, we break it down step by step until only prime factors remain. Then, we express 1 as a product of these prime factors multiplied together. Let’s go through the process and simplify it like a math tutor would!
The process of finding the prime factorization of 1 only has a few differences from the above method of finding the factors of 1. 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 1:
Step 1:
Find the smallest prime number that is larger than 1, and is a factor of 1. 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 .
Step 2:
Divide 1 by the smallest prime factor, in this case,
1 ÷ = NaN
becomes the first number in our prime factorization.
Step 3:
Repeat Steps 1 and 2, using NaN as the new focus. Find the smallest prime factor that isn’t 1, and divide NaN by that number. The smallest prime factor you pick for NaN 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 1 are:
Math Tutor Suggests: Find the Factors of Other Numbers
Practice your factoring skills by exploring how to factor other numbers, like the ones below:
Factors of 98 - The factors of 98 are 1, 2, 7, 14, 49, 98
Factors of 77 - The factors of 77 are 1, 7, 11, 77
Factors of 39 - The factors of 39 are 1, 3, 13, 39
Factors of 127 - The factors of 127 are 1, 127
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