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

🙏

🤨

😮

Study guides

☆

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

23 is prime.

The prime number is 24

21 22 23 24 which is the prime number

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.

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

23 and 29 are prime numbers

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.

No, 21 is not prime.

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

23

It is 23

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

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

23

23 and 29

23 and 29.

Only 23 and 29.

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

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

23 Prime numbers are odd numbers and 21=3x7

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

(23-21) x 22-20

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

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

23 29.