Is 1943 a Composite number

 Is 1943 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 1943 is composite or not first we have to find its factors.

 

Factors of 1943:

  • If we have taken numbers from 1, 2, 3…for checking factors of 1943, we found that 1943 has factors 1, 29, 67 and 1943. Hence, we must say that 1943 is a composite number.
  • Thus, 1943 is the composite number.
  • If we multiply 1943 by 1, 2, 3 then we get the multiples of 1943 which are 1943, 3886 and so on.

 

 1943 is a Composite number or Prime number

About the number 1943:

  • 1943 has more than two factors which are 1, 29, 67 and 1943 and hence it is the composite number.
  • 1943 is the odd composite number and it is not the perfect square also.
  • If we divide 1943 by 1, 29, 67 and 1943 then we get remainder as zero. Hence, 1, 29, 67 and 1943 are the factors of 1943

 

Note:

  • 1943 is not the perfect square.
  • Factors of 1943: 1, 29, 67 and 1943
  • Prime factors of 1943: 29, 67

 

Conclusion:

  • 1943 is the composite number which has factors 1, 29, 67 and 1943.
  • And hence, 1943 is not the prime number.

 

Multiple Choice Questions:

 

1) 1943 is a

a) Even number

b) Prime number

c) Composite number

d) Both a and c

Ans: c) composite number

 

2) The non-prime factors of a composite number 1943 are

a) 1

b) 29, 67

c) 1 and 1943

d) 1, 29, 67 and 1943

Ans: b) 1 and 1943

 

3) 1943 is the odd composite number because

a) It has factors 1, 29, 67 and 1943

b) It has more than two factors

c) It is not divisible by 2

d) all

Ans: d) all

Updated: February 28, 2022 — 4:14 pm

Leave a Reply

Your email address will not be published.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