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More answers

Factoring means to break a number down to it's basic parts, or "factors". The basic parts of X are numbers that are multiplied together to get X.

Take the number 28. Well it's even, so we know we can divide by '2'.

28/2 = 14 same as 2 x 14 = 28; so 2 and 14 are factors of 28. But we have more to do. 14 can be divided again, this time 2 x 7. So now we have, as factors of 28,

{2, 2, 7}. What we mean is, 2 x 2 x 7 = 28. Can we go any further?

No, because the only factors of 2 are {2, 1}, and for 7, {7, 1}. A number is called 'prime' when it's only factors are {itself, and 1}. In 'factoring' we are finished when all the terms are prime numbers. Easy prime numbers: {1,2,3,5,7,11,13,17,19,23.....} See if you can continue the list up to 100!

So, the answer to your question is what? It is the set {1, 7}, therefore 7 is prime.

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Wiki User

11y ago
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I think the answer would be 7 because a factor is the two numbers that make the multiplication problem. Don't be mad at me if I get it wrong this is just a guess but I think it is right.

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Wiki User

14y ago
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The factor is 7. The product is 49.

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Wiki User

12y ago
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7x + 49 factors to 7(x + 7)

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Wiki User

12y ago
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57

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Wiki User

12y ago
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7

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Wiki User

12y ago
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49 is.

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Wiki User

10y ago
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omg ur right im so dumb

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Anonymous

4y ago
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Q: What is a factor for 7times7 equals 49?
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