Is 3689 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 3689 is composite or not first we have to find its factors.
Contents
Factors of 3689:
- If we have taken numbers from 1, 2, 3…for checking factors of 3689, we found that 3689 has factors 1, 7, 17, 31, 119, 217, 527 and 3689. Hence, we must say that 3689 is a composite number.
- Thus, 3689 is the composite number.
- If we multiply 3689 by 1, 2, 3 then we get the multiples of 3689 which are 3689, 7378 and so on.
3689 is a Composite number or Prime number
About the number 3689:
- 3689 has more than two factors which are 1, 7, 17, 31, 119, 217, 527 and 3689 and hence it is the composite number.
- 3689 is the odd composite number and it is not the perfect square also.
- If we divide 3689 by 1, 7, 17, 31, 119, 217, 527 and 3689 then we get remainder as zero. Hence 1, 7, 17, 31, 119, 217, 527 and 3689 are the factors of 3689
Note:
- 3689 is not the perfect square.
- Factors of 3689:1, 7, 17, 31, 119, 217, 527 and 3689
- Prime factors of 3689: 7, 17, 31
Conclusion:
- 3689 is the composite number which has factors 1, 7, 17, 31, 119, 217, 527 and 3689.
- And hence, 3689 is not the prime number.
Multiple Choice Questions:
1) 3689 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 3689 are
a) 1
b) 7, 17, 31
c) 1, 7, 17, 31, 119, 217, 527 and 3689
d) 1, 119, 217, 527 and 3689
Ans: d)1, 119, 217, 527 and 3689
3) 3689 is the odd composite number because
a) It has factors 1, 7, 17, 31, 119, 217, 527 and 3689
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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