Best Answer

Firstly, you should recognize the relevant numbers which are 23 and 29. Now let us work out. Every even number is divisible by two, hence not prime. So we can exclude 22, 24, 26 and 28. Meanwhile 21, (24) and 27 are divisible by three. 25 is divisible by 5. The remaining numbers 23 and 29 have no divisors other than 1 and the number itself, hence they are the prime numbers.

User Avatar

Wiki User

โˆ™ 2012-11-16 01:10:52
This answer is:
User Avatar
Study guides


20 cards

A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

See all cards
1982 Reviews

Add your answer:

Earn +20 pts
Q: How do I show my work to find out prime numbers between 20 and 30?
Write your answer...
Still have questions?
magnify glass
Related questions

How do you show that there are no prime numbers from 200 - 210?

There are no prime numbers in that range.

Who created prime numbers?

The surviving records of the ancient Egyptians show that they had some knowledge of prime numbers

How do you use a factor tree to find the greatest common factor of 88?

A factor tree will show you the prime factorization of 88. Comparing that prime factorization of 88 and another number will you show you the GCF between the two. You need at least two numbers to find a GCF.

Show you all the prime numbers?

That's an infinite list.

Can you show all the prime numbers?

Impossible. The number is infinite.

Show all prime numbers?

That's an infinite list.

Where do prime numbers show up on a multiplication chart?

Only in the ones column. Prime numbers aren't multiples of anything but one and themselves.

How do you show work for finding prime numbers?

Use a factor tree.

Which three prime numbers have a sum of 43 show work?


What is the GCF of 61 and 73 using factorizations?

61 and 73 are prime numbers. Prime numbers don't have prime factorizations, since their only prime factors are themselves. Since these would have to be different numbers, they don't have any prime factors in common. The GCF of any set of prime numbers is 1.

Which does not show a factorization that includes only prime numbers?

A 24-hour News channel does not show a factorization ...

What is it called when you show a composite number as a product or prime number?

Showing a composite number as a product of prime numbers is called prime factorization.

People also asked