Is 923 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 923 is composite or not first we have to find its factors.
Contents
Factors of 923:
- If we have taken numbers from 1, 2, 3…for checking factors of 923, we found that 923 has factors 1, 13, 71 and 923. Hence, we must say that 923 is a composite number.
- Thus, 923 is the composite number.
- If we multiply 923 by 1, 2, 3 then we get the multiples of 923 which are 923, 1846 and so on.
923 is a Composite number or Prime number
About the number 923:
- 923 has more than two factors which are 1, 13, 71 and 923 and hence it is the composite number.
- 923 is the odd composite number and it is not the perfect square also.
- If we divide 923 by 1, 13, 71 and 923 then we get remainder as zero. Hence, 1, 13, 71 and 923 are the factors of 923
Note:
- 923 is not the perfect square.
- Factors of 923: 1, 13, 71 and 923
- Prime factors of 923: 13, 71
Conclusion:
- 923 is the composite number which has factors 1, 13, 71 and 923.
- And hence, 923 is not the prime number.
Multiple Choice Questions:
1) 923 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 923 are
a) 1
b) 13, 71
c) 1 and 923
d) 1, 13, 71 and 923
Ans: b) 13, 71
3) 923 is the odd composite number because
a) It has factors 1, 13, 71 and 923
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c