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Chapter 4: Q10. (page 174)

Tell whether the number is prime or composite.

23

Short Answer

Expert verified

23 is a prime number.

Step by step solution

01

Step-1-Recall the concept of prime and composite numbers

Prime numbers are the numbers which are divisible by 1 and itself.

Composite numbers are the numbers which have factors other than 1 and itself.

02

Step-2- Find the factors of the given number

Observe that,

23÷1=2323÷23=1

Therefore, the factors of 23are 1 and 23.

03

Step-3- Conclusion

Since 23 has no factors other than 1 and itself, it is a prime number.

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