Question

(i). Write set of all non-prime numbers less than number 10 in set building form.
संख्या 10 से छोटी सभी भाज्य संख्याओ के समुच्चय को समुच्चय निर्माण रूप में लिखिये।​

Answer 1

Set of NON PRIME numbers below 10 are 4,6,8,9.

◆PRIME numbers are integers which can't be a product by multiplication of any other numbers except one and the number itself.

Example : 23 is a prime number.This can be a product of no two numbers other than 23 and one. 23×1 =23.

◆1 is neither PRIME nor NON PRIME.

◆ All other numbers other than PRIME numbers are NON PRIME numbers. Which can product of any numbers.

Example : 24 , 24 Can be written as 12×2, 6×4,8×3 etc.

◆These are set of PRIME NUMBERS less than 10 : (2,3,5,7)

Answer 2

Non-prime numbers less than number 10 in set = 4,6,8,9

Given:

Set of all non-prime numbers.

To find:

Write set of all non-prime numbers less than number 10 in set building form.

Explanation:

Prime number:

A whole number greater than 1 that can not be made by multiplying other whole numbers.

Example: 7 is a prime number. We cannot multiply 2, 3 or 4 together to make 7. (Only 1×7 works but we said to use other whole numbers.)

So from 1 to 10 there are four prime number = 2,3,5,7

Remaining are non prime number that is 4,6,8,9

1 is nigher prime not composite.

Non-prime numbers less than number 10 in set = 4,6,8,9

To learn more...

1)I am two digit prime number and the sum of my digit is 10 . i am also one of the factor of 57 . who am l?​

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2)A bag contains some square cards. a prime number between 1 and 100 has been written on each card. find the probability of getting a card that the sum of the digits of prime number written on it, is 8

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