answersLogoWhite

0


Best Answer

prime of numbers 21 22 23 24 25 26 27 28 29 30

prime numbers are: 23 & 29 because their factors are only 1 and themselves.

factors of:

23= 1, 23

29= 1, 29

22, 24, 25, 26, 27, 28 & 30 are not prime numbers because these numbers have other factors aside from 1 and themselves.

Example:

factors of 22: 1, 2, 11, 22

User Avatar

Wiki User

โˆ™ 2012-09-04 11:52:17
This answer is:
๐Ÿ™
0
๐Ÿคจ
0
๐Ÿ˜ฎ
0
User Avatar
Study guides

Factoring and Multiples

21 cards

What is the prime factorization of 24

What is the prime factorization of 54

What is the prime factorization of 64

What is the prime factorization of 34

โžก๏ธ
See all cards
4.8
โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…
5 Reviews
More answers
User Avatar

Anonymous

Lvl 1
โˆ™ 2020-09-30 15:16:50

23 21

User Avatar

Add your answer:

Earn +20 pts
Q: What is the prime of numbers 21 22 23 24 25 26 27 28 29 30 and why?
Write your answer...
Submit
Related questions

What numbers are prime 20 21 22 23 24?

23 is prime.


Which of these numbers is prime 20 21 22 23 24?

The prime number is 24


Which is the prime number 21 22 23 24 25 26?

21 22 23 24 which is the prime number


Which of these numbers is prime 20 21 22 23 or none of these?

23 is prime. And, for your information, a nun is a Christian woman who dedicates her life to her religion and has nothing whatsoever to do with prime numbers.


What are the factors and prime factors of 21 22 and 23?

Factors of 21: 1, 3, 7 and 21 Factors of 22: 1, 2, 11 and 22 Factors of 23: 1 and 23 Note that: 2, 3, 7, 11 and 23 are prime numbers


What numbers between 22 and 29 are prime?

23 and 29 are prime numbers


Which of these numbers prime 20 or 21 or 22 or 23 or 24?

You can work this out, Prime numbers can only be divided by themselves or 1. Therefore as 20 can be divided by 2 it it not prime. The same is true for 22 and 24. Thus the prime must be either 21 or 23. See if either of these numbers can be divided by 7, if it can then the prime must be the other number.


Is 21and 23 twin prime numbers?

No, 21 is not prime.


What are the prime numbers from 21 to 40?

The prime numbers from 21 to 40 are 23, 29, 31, and 37.


Which one is prime out of 21 23 22 27?

23


Which is a prime numbers 21 23 25 or 27?

It is 23


Is 23 21 19 prime or composite?

19 and 23 are prime numbers whereas 21 is a composite number


How many prime numbers are there from 21 to 35?

There are 3 prime numbers from 21 to 35:23, 29 and 31


What is the prime number of 21 22 23 24 25?

23


What are the prime numbers from 21-30?

23 and 29


What are prime numbers from 21-29?

23 and 29.


What numbers 21-30 are prime numbers?

Only 23 and 29.


9 22 23 prime numbers?

23 is a prime number but 9 and 22 can both be factored 9 is 3x3 and 22 is 2x11


What are the prime numbers between 21 and 40?

The prime numbers between 21 and 40 are: 23 29 31 37.


What prime number comes after 19?

23 Prime numbers are odd numbers and 21=3x7


What are the prime numbers between 21 and 39?

The numbers 23, 29, 31 and 37 are prime.


How can you make 24 using the numbers 21 22 23 and 20?

(23-21) x 22-20


What is 18 19 20 21 22 23 24 25 are they composite or prime?

All the numbers are composite except the ones in bold: 18 19 20 21 22 23 24 25.


What is the smallest prime number that is greater than 20?

21 = 3x7 ... not prime. 22 = 2x11 ... not prime. 23 is prime. 23.


Prime numbers between 22-30?

23 29.