Is 3897 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 3897 is composite or not first we have to find its factors.
Contents
Factors of 3897:
- If we have taken numbers from 1, 2, 3…for checking factors of 3897, we found that 3897 has factors 1, 3, 9, 433, 1299 and 3897. Hence, we must say that 3897 is a composite number.
- Thus, 3897 is the composite number.
- If we multiply 3897 by 1, 2, 3 then we get the multiples of 3897 which are 3897, 7794 and so on.
3897 is a Composite number or Prime number
About the number 3897:
- 3897 has more than two factors which are 1, 3, 9, 433, 1299 and 3897 and hence it is the composite number.
- 3897 is the odd composite number and it is not the perfect square also.
- If we divide 3897 by 1, 3, 9, 433, 1299 and 3897 then we get remainder as zero. Hence 1, 3, 9, 433, 1299 and 3897 are the factors of 3897
Note:
- 3897 is not the perfect square.
- Factors of 3897:1, 3, 9, 433, 1299 and 3897
- Prime factors of 3897: 3, 433
Conclusion:
- 3897 is the composite number which has factors 1, 3, 9, 433, 1299 and 3897.
- And hence, 3897 is not the prime number.
Multiple Choice Questions:
1) 3897 is a
a) odd number
b) Prime number
c) even number
d) Both a and c
Ans: a) odd number
2) The non-prime factors of a composite number 3897 are
a) 1
b) 3, 433
c) 1, 3, 9, 433, 1299 and 3897
d) 1, 9, 1299 and 3897
Ans: d)1, 9, 1299 and 3897
3) 3897 is the odd composite number because
a) It has factors 1, 3, 9, 433, 1299 and 3897
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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