Ramon tells his friend that he is learning about prime numbers in math class. His friend asks him to name all the prime numbers between 20 and 30. What number should Ramon name. Explain how you know.

Question

Mathematics

Dominguez

3 January, 12:08

Ramon tells his friend that he is learning about prime numbers in math class. His friend asks him to name all the prime numbers between 20 and 30. What number should Ramon name. Explain how you know.

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Rhianna · Answer 1

The numbers she should name are 23 and 29

A prime number is a number that can only be multiplied my 1 and itself. A prime number has no real factors other than 1 and itself. For example: 25 is NOT a prime number because 5*5 = 25, and 25*1=25 so there are other numbers other than itself that are factors. A number that has factors other than itself is called a composite number. It is the opposite of a prime number.