A Prime number, P, has only two factor pairs: (1, P) and (P, 1).
There is no order to factor pairs: you can present them in any order that you like.
Factor pairs reverse once you have gone through the number that is half the number it started with. For instance, 12 divided by to is 6, so once you reach 6 in you factor pairs, the numbers will reverse. With an odd number such as 7, the center point would be 3 and 4. Even though these numbers aren't like 12, where it is 6 and 6, this is 7 divided by 2 without decimals, instead a lower half and upper half. At that point, the factor pairs reverse.
Yes, a prime number, P, has only two factor pairs: (1, P) and (P, 1) so immediately after 1, they reverse order.
Factor pairs refer to whole numbers, not decimals. The factor pair of 361 is (361,1)
80 has 5 factor pairs.
The numbers are the same as positive numbers, just the signs change. Write out the factor pairs as if the number were positive, but make one of the numbers positive and one negative. Now write the same pairs over again and reverse the signs. Negative numbers have twice as many factor pairs as positive numbers do.
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Prime numbers have one factor pair.
The factor pairs of 111 are 1x111, 11x10. These are in order.
The factor pairs of 20 are pairs of numbers that can be multiplied together to give 20. The factor pairs of 20 are (1, 20), (2, 10), and (4, 5). These pairs represent all the possible combinations of numbers that can be multiplied to equal 20.
In mathematical terms, factor pairs are numbers that combine to create a given product. The factor pairs of 12 are (12,1)(6,2)(4,3)
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