Is 1885 a Composite number

 Is 1885 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 1885 is composite or not first we have to find its factors.

 

Factors of 1885:

  • If we have taken numbers from 1, 2, 3…for checking factors of 1885, we found that 1885 has factors 1, 5, 13, 29, 65, 145, 377 and 1885. Hence, we must say that 1885 is a composite number.
  • Thus, 1885 is the composite number.
  • If we multiply 1885 by 1, 2, 3 then we get the multiples of 1885 which are 1885, 3770 and so on.

 

 1885 is a Composite number or Prime number

About the number 1885:

  • 1885 has more than two factors which are 1, 5, 13, 29, 65, 145, 377 and 1885 and hence it is the composite number.
  • 1885 is the odd composite number and it is not the perfect square also.
  • If we divide 1885 by 1, 5, 13, 29, 65, 145, 377 and 1885 then we get remainder as zero. Hence, 1, 5, 13, 29, 65, 145, 377 and 1885 are the factors of 1885

 

Note:

  • 1885 is not the perfect square.
  • Factors of 1885: 1, 5, 13, 29, 65, 145, 377 and 1885
  • Prime factors of 1885: 5, 13, 29

 

Conclusion:

  • 1885 is the composite number which has factors 1, 5, 13, 29, 65, 145, 377 and 1885.
  • And hence, 1885 is not the prime number.

 

Multiple Choice Questions:

 

1) 1885 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 1885 are

a) 1

b) 5, 13, 29

c) 1, 65, 145, 377 and 1885

d) 1, 5, 13, 29, 65, 145, 377 and 1885

Ans: b) 1, 65, 145, 377 and 1885

 

3) 1885 is the odd composite number because

a) It has factors 1, 5, 13, 29, 65, 145, 377 and 1885

b) It has more than two factors

c) It is not divisible by 2

d) all

Ans: d) all

Updated: February 28, 2022 — 1:41 pm

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