Is 961 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 961 is composite or not first we have to find its factors.
Contents
Factors of 961:
- If we have taken numbers from 1, 2, 3…for checking factors of 961, we found that 961 has factors 1, 31 and 961. Hence, we must say that 961 is a composite number.
- Thus, 961 is the composite number.
- If we multiply 961 by 1, 2, 3 then we get the multiples of 961 which are 961, 1922 and so on.
961 is a Composite number or Prime number
About the number 961:
- 961 has more than two factors which are 1, 31 and 961 and hence it is the composite number.
- 961 is the odd composite number and it is the perfect square also.
- If we divide 961 by 1, 31 and 961 then we get remainder as zero. Hence, 1, 31 and 961 are the factors of 961
Note:
- 961 is the perfect square.
- Factors of 961: 1, 31 and 961
- Prime factors of 961: 31
Conclusion:
- 961 is the composite number which has factors 1, 31 and 961.
- And hence, 961 is not the prime number.
Multiple Choice Questions:
1) 961 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 961 are
a) 1
b) 31
c) 1 and 961
d) 1, 31 and 961
Ans: b) 31
3) 961 is the odd composite number because
a) It has factors 1, 31 and 961
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c