Is 2123 a Composite number

 Is 2123 is a composite number or not ?

  • As we already know that, the number having factors 1 and the number itself is the prime number.
  • And numbers having more than these two factors are the composite numbers.
  • To check whether the number 2123 is composite or not first we have to find its factors.

 

Factors of 2123:

  • If we have taken numbers from 1, 2, 3…for checking factors of 2123, we found that 2123 has factors 1, 11, 193 and 2123. Hence, we must say that 2123 is a composite number.
  • Thus, 2123 is the composite number.
  • If we multiply 2123 by 1, 2, 3 then we get the multiples of 2123 which are 2123, 4246 and so on.

 

 2123 is a Composite number or Prime number

About the number 2123:

  • 2123 has more than two factors which are 1, 11, 193 and 2123 and hence it is the composite number.
  • 2123 is the odd composite number and it is not the perfect square also.
  • If we divide 2123 by 1, 11, 193 and 2123 then we get remainder as zero. Hence, 1, 11, 193 and 2123 are the factors of 2123

 

Note:

  • 2123 is not the perfect square.
  • Factors of 2123: 1, 11, 193 and 2123
  • Prime factors of 2123: 11, 193

 

Conclusion:

  • 2123 is the composite number which has factors 1, 11, 193 and 2123.
  • And hence, 2123 is not the prime number.

 

Multiple Choice Questions:

 

1) 2123 is a

a) odd number

b) Prime number

c) Composite number

d) Both a and c

Ans: d) both a and c

 

2) The prime factors of a composite number 2123 are

a) 1

b) 11, 193

c) 1 and 2123

d) 1, 11, 193 and 2123

Ans: b) 11, 193

 

3) 2123 is the composite number because

a) It has factors 1, 11, 193 and 2123

b) It has more than two factors

c) It is not divisible by 2

d) Both a and b

Ans: d) both a and b

Updated: March 4, 2022 — 11:25 am

Leave a Reply

Your email address will not be published. Required fields are marked *