Is 2817 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 2817 is composite or not first we have to find its factors.
Contents
Factors of 2817:
- If we have taken numbers from 1, 2, 3…for checking factors of 2817, we found that 2817 has factors 1, 3, 9, 313, 939 and 2817. Hence, we must say that 2817 is a composite number.
- Thus, 2817 is the composite number.
- If we multiply 2817 by 1, 2, 3 then we get the multiples of 2817 which are 2817, 5634 and so on.
2817 is a Composite number or Prime number
About the number 2817:
- 2817 has more than two factors which are 1, 3, 9, 313, 939 and 2817 and hence it is the composite number.
- 2817 is the odd composite number and it is not the perfect square also.
- If we divide 2817 by 1, 3, 9, 313, 939 and 2817 then we get remainder as zero. Hence 1, 3, 9, 313, 939 and 2817 are the factors of 2817
Note:
- 2817 is not the perfect square.
- Factors of 2817: 1, 3, 9, 313, 939 and 2817
- Prime factors of 2817: 3, 313
Conclusion:
- 2817 is the composite number which has factors 1, 3, 9, 313, 939 and 2817.
- And hence, 2817 is not the prime number.
Multiple Choice Questions:
1) 2817 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 2817 are
a) 1
b) 3, 313
c) 1, 3, 9, 313, 939 and 2817
d) 1, 9, 939 and 2817
Ans: d) 1, 9, 939 and 2817
3) 2817 is the odd composite number because
a) It has factors 1, 3, 9, 313, 939 and 2817
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all