Is 897 a Composite number

 Is 897 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 897 is composite or not first we have to find its factors.

 

Factors of 897:

  • If we have taken numbers from 1, 2, 3…for checking factors of 897, we found that 897 has factors 1, 3, 13, 23, 39, 69, 299 and 897. Hence, we must say that 897 is a composite number.
  • Thus, 897 is the composite number.
  • If we multiply 897 by 1, 2, 3 then we get the multiples of 897 which are 897, 1794 and so on.

 

897 is a Composite number or Prime number

About the number 897:

  • 897 has more than two factors which are 1, 3, 13, 23, 39, 69, 299 and 897 and hence it is the composite number.
  • 897 is the odd composite number and it is not the perfect square also.
  • If we divide 897 by 1, 3, 13, 23, 39, 69, 299 and 897 then we get remainder as zero. Hence, 1, 3, 13, 23, 39, 69, 299 and 897 are the factors of 897

 

Note:

  • 897 is not the perfect square.
  • Factors of 897: 1, 3, 13, 23, 39, 69, 299 and 897
  • Prime factors of 897: 3, 13, 23

 

Conclusion:

  • 897 is the composite number which has factors 1, 3, 13, 23, 39, 69, 299 and 897.
  • And hence, 897 is not the prime number.

 

Multiple Choice Questions:

 

1) 897 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 897 are

a) 1

b) 3, 13, 23

c) 1, 39, 69, 299 and 897

d) 1, 3, 13, 23, 39, 69, 299 and 897

Ans: b) 3, 13, 23

 

3) 897 is the odd composite number because

a) It has factors 1, 3, 13, 23, 39, 69, 299 and 897

b) It is divisible by 2

c) It is not divisible by 2

d) Both a and c

Ans: d) both a and c

Updated: February 14, 2022 — 1:01 pm

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