Q: How many number under 10 have 2 factors?

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Two numbers are factors of a product when they multiply with each other to become the product. For example, if the product number is 10, then our factors can be 2 and 5, or 1 and 10.

48 has ten factors.

Correct. 5 and 2 are factors of 10, and will be factors of any number having 10 as a factor.

Well say the number was 10 you find the factors (1,2,5,10) then out of those numbers you pick the prime number/s 2 and 10. For 20 , the factors are 1,2,4,5,10 and 20 so the prime factors are 2, and 5 again

It is 10 whose factors are: 1, 2, 5 and 10

Related questions

Four factors.

You are 9.

48 has 10 factors, the most factors of any number under 50.

The number 10 can be the product of 2 and 5, 1 and 10. This means that 10 has 4 factors. :]

Four

23

The factors of 9 are 1, 3, and 9. 1 + 3 + 9 = 13

5, 2, and 1, are all going to be factors with and number that 10 is a factor of.

Each prime number has only two factors which are itself and one.

11

This is a nonsensical question. There are more than 13 multiples of 10 - in fact there are an infinite number. And there are multiples of 10 which have an infinite number of factors - so there cannot be a "largest" number of factors.

A factor = any number which can be divided into the given number with no remainder ie 1, 2, 3, 5, 6, 10, 15, 18, 30, 45, 90 which is 11 factors 90×1 45×2 30×3 18×5 15×6 10×9