Is 1903 a Composite number

 Is 1903 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 1903 is composite or not first we have to find its factors.

 

Factors of 1903:

  • If we have taken numbers from 1, 2, 3…for checking factors of 1903, we found that 1903 has factors 1, 11, 173 and 1903. Hence, we must say that 1903 is a composite number.
  • Thus, 1903 is the composite number.
  • If we multiply 1903 by 1, 2, 3 then we get the multiples of 1903 which are 1903, 3806 and so on.

 

 1903 is a Composite number or Prime number

About the number 1903:

  • 1903 has more than two factors which are 1, 11, 173 and 1903 and hence it is the composite number.
  • 1903 is the odd composite number and it is not the perfect square also.
  • If we divide 1903 by 1, 11, 173 and 1903 then we get remainder as zero. Hence, 1, 11, 173 and 1903 are the factors of 1903

 

Note:

  • 1903 is not the perfect square.
  • Factors of 1903: 1, 11, 173 and 1903
  • Prime factors of 1903: 11, 173

 

Conclusion:

  • 1903 is the composite number which has factors 1, 11, 173 and 1903.
  • And hence, 1903 is not the prime number.

 

Multiple Choice Questions:

 

1) 1903 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 1903 are

a) 1

b) 11, 173

c) 1 and 1903

d) 1, 11, 173 and 1903

Ans: b) 1 and 1903

 

3) 1903 is the odd composite number because

a) It has factors 1, 11, 173 and 1903

b) It has more than two factors

c) It is not divisible by 2

d) all

Ans: d) all

Updated: February 28, 2022 — 2:27 pm

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