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Q: What is the prime factor between 10 and 20?

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The greatest common prime factor of 10 and 20 is 5.

20 - 10 and 2 (2 is prime) from 10 do 5 and 2 (both prime)

The prime numbers between 10 and 20 are 11, 13, 17, and 19.

There are 4 prime numbers between 10 and 20: 11 13 17 19

The prime numbers between 10 and 20 are 11, 13, 17, and 19.

There are 4 prime numbers between 10 and 20. They are 11, 13, 17, and 19.

No, 20 isn't prime.

There are 4 numbers that are prime between the number 10 and 20. They are 11, 13, 17, and 19.

21 is not a prime factor, it is 3 x 7

11,13,17,19

it is 17

what number is not a prime factor

10=2*5 Any number that doesn't have a factor of 2 or 5 is relatively prime to 10. e.g. 3, 7, 11, and 21 are all relatively prime to 10. 2, 5, 15, 16, and 20 are not relatively prime since they share a factor or 2 or 5 (or both, which means they share a factor of 10, e.g. 20).

13

19

11,13,17,19

667

14

There are 4 prime numbers between 10 and t20. These are: 11, 13, 17 and 19.

4 is a prime factor of 20 whereas it isn't a factor of 50.

20 cannot be prime because prime numbers will only have a factor 1, whereas 20 has: 1 x 20 2 x 10 4 x 5 Thus 20 is composite

The prime factors of 20 are: 2 and 5.

5 is the greatest prime factor of 20.

The numbers 11, 13, 17 and 19 are prime.

No, 5 is.