All of the factors are prime.
The factors of 4 are 1, 2, 4. For them to be common, they need to be compared to another set of factors.
All of the factors are prime.
The factors of 16 are 1, 2, 4, 8 and 16. For them to be common, they need to be compared to another set of factors.
To find the sum of all common factors of 12 and 86, we first need to determine the factors of each number. The factors of 12 are 1, 2, 3, 4, 6, and 12, while the factors of 86 are 1, 2, 43, and 86. The common factors of 12 and 86 are 1 and 2. Therefore, the sum of all common factors of 12 and 86 is 1 + 2 = 3.
No because, all you have to know is your multiplication to help you.
To know that a number is prime you need to know that it has no factors other than 1 and the number itself.To know that a number is composite you only need to know one factor other than the number itself or 1.
You don't.If you know just one factor, other than 1 and the number itself, you will know that the number is composite.A prime has only two factors: 1 and itself. So all the factors is no big deal.
Yes, you do. And know them well, or else you'll get it wrong! Well, not exactly. To determine that a number is prime you need to know that the number has exactly two factors, which means that there are no other factors. You know that a number is composite by finding just one factor that is neither one nor the number itself.
No. If it is divisible by any smaller integer, it is composite.
i know all the factors of 24 because i count and see what numbers go into 24
No, if a number has even one additional factor besides itself and the number one, then you automatically know it's composite.
How to know that you found all the factors for example my teacher taught me that when u reach a double diget number that is all the factors. ( 6x6)-~ double diget number
When all the factors are prime.
First of all, to know if a number is abundant, deficient, or perfect, you need to know all the factors of your given number. The factors of 28 are 1,2,4,7,14, and 28. Add your proper factors -or the factors except itself- and determine if the sum of the proper factors is below (deficient), above (abundant), or the exact same amount (perfect). In this case, if you add the proper factors, it equals exactly 28. Because it is exact, it is perfect! =)
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No. As long as there are more than two, the number's composite.