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Q: Are 21 and 22 prime

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21 22 23 24 which is the prime number

23 is prime.

22 = 21 x 111

The prime number is 24

23

3 x 7 = 21 2 x 11 = 22 because 3 x 7 = 21 2 x 11 = 22

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

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

21 = 3 * 760 = 2 * 2 * 3 * 5 = 22 * 3 * 5

They are 6, 10, 14, 15, 21, 22.They are 6, 10, 14, 15, 21, 22.They are 6, 10, 14, 15, 21, 22.They are 6, 10, 14, 15, 21, 22.

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.

I am not sure there is such a classification. It cannot be odd/even Odd numbers: 52 - 22 = 21 Even numbers: 52 - 32 = 16 It cannot be prime/composite Prime: 32 - 22 = 5 Composite: 52 - 22 = 21

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.

22 is not relatively prime

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

Do you mean, "What is the prime factorization of 21?"

The prime factors of 21 are 3,7.

It can be. 21 is relatively prime with 32.

The prime factorization for 21 is 3x7.

21 is not prime.

number 21 is prime

21 = 3x7, and so is not prime, as it can be expressed as the product of multiple prime numbers

22 is not prime. 22 = 2 * 11

3 * 7 = 21 21 is not prime