Is 1127 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 1127 is composite or not first we have to find its factors.
Contents
Factors of 1127:
- If we have taken numbers from 1, 2, 3…for checking factors of 1127, we found that 1127 has factors 1, 7, 23, 49, 161 and 1127. Hence, we must say that 1127 is a composite number.
- Thus, 1127 is the composite number.
- If we multiply 1127 by 1, 2, 3 then we get the multiples of 1127 which are 1127, 2254 and so on.
1127 is a Composite number or Prime number
About the number 1127:
- 1127 has more than two factors which are 1, 7, 23, 49, 161 and 1127 and hence it is the composite number.
- 1127 is the odd composite number and it is not the perfect square also.
- If we divide 1127 by 1, 7, 23, 49, 161 and 1127 then we get remainder as zero. Hence, 1, 7, 23, 49, 161 and 1127 are the factors of 1127
Note:
- 1127 is not the perfect square.
- Factors of 1127: 1, 7, 23, 49, 161 and 1127
- Prime factors of 1127: 7, 23
Conclusion:
- 1127 is the composite number which has factors 1, 7, 23, 49, 161 and 1127.
- And hence, 1127 is not the prime number.
Multiple Choice Questions:
1) 1127 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 1127 are
a) 1
b) 7, 23
c) 1, 49, 161 and 1127
d) 1, 7, 23, 49, 161 and 1127
Ans: b) 7, 23
3) 1127 is the odd composite number because
a) It has factors 1, 7, 23, 49, 161 and 1127
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c