Is 3686 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 3686 is composite or not first we have to find its factors.
Contents
Factors of 3686:
- If we have taken numbers from 1, 2, 3…for checking factors of 3686, we found that 3686 has factors 1, 2, 19, 38, 97, 194, 1843 and 3686. Hence, we must say that 3686 is a composite number.
- Thus, 3686 is the composite number.
- If we multiply 3686 by 1, 2, 3 then we get the multiples of 3686 which are 3686, 7372 and so on.
About the number 3686:
- 3686 has more than two factors which are 1, 2, 19, 38, 97, 194, 1843 and 3686 and hence it is the composite number.
- 3686 is the even composite number and it is not the perfect square also.
- If we divide 3686 by, 1, 2, 19, 38, 97, 194, 1843 and 3686 then we get remainder as zero. Hence, 1, 2, 19, 38, 97, 194, 1843 and 3686 are the factors of 3686.
Note:
- 3686 is not the perfect square.
- Factors of 3686: 1, 2, 19, 38, 97, 194, 1843 and 3686
- Prime factors of 3686: 2, 19, 97
Conclusion:
- 3686 is the composite number which has factors, 1, 2, 19, 38, 97, 194, 1843 and 3686
- And hence, 3686 is not the prime number.
Multiple Choice Questions:
1) 3686 is a
a) Prime number
b) Odd number
c) Composite number
d) Both b and c
Ans: c) composite number
2) The prime factors of a composite number 3686 are
a) 3686
b) 2, 19, 97
c) 38, 194, 1843 and 3686
d) 1, 2, 19, 38, 97, 194, 1843 and 3686
Ans: b) 2, 19, 97
3) 3686 is even composite number because
a) It has factors 1, 2, 19, 38, 97, 194, 1843 and 3686
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all