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Factors of 2
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What are the Factors of 2?
As your math tutor, I’m here to guide you through the different types of factors of 2. So, what are the factors of 2?
• Factors of 2: 1, 2
• Sum of Factors of 2: 3
• Negative Factors of 2: -1, -2
• Prime Factors of 2: 1, 2
• Prime Factorization of 2: 2
There are two ways to find the factors of 2: using factor pairs and using prime factorization.
The Factor Pairs of 2
Factor pairs of 2 are any two numbers that, when multiplied together, equal 2. The question I would ask as a math tutor to guide you is: “what two numbers multiplied together equal 2?” Every factor can be paired with another factor and multiplying the two will result in 2.
In this case, we can see that 2 is a prime number. By definition, a prime number is a number that doesn’t have any other factors other than itself and 1.
So, 2 only has one factor pair:
(1, 2)
If you also consider negative factors, there is also a second factor pair:
(-1, -2)
Prime Factorization of 2
Prime factorization is when you break down the factors of 2 to just the prime factors and expressing 2 as a product of those prime factors. Let’s go through the process and simplify it like a math tutor would!
In this case, because 2 is a prime number, we can simply state the primary factorization as 2.
For most numbers, we would take the smallest prime factor that is larger than 1 to start to break down the focus number. In this case, the smallest prime factor larger than 1 is 2.
2 ÷ 2 = 1
If we divide 2 by 2, we simply get 1, which can’t be broken down any further.
So, the prime factorization of 2 is just 2.
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 20 - The factors of 20 are 1, 2, 4, 5, 10, 20
Factors of 86 - The factors of 86 are 1, 2, 43, 86
Factors of 69 - The factors of 69 are 1, 3, 23, 69
Factors of 11 - The factors of 11 are 1, 11
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