Is 1113 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 1113 is composite or not first we have to find its factors.
Contents
Factors of 1113:
- If we have taken numbers from 1, 2, 3…for checking factors of 1113, we found that 1113 has factors 1, 3, 7, 21, 53, 159, 371 and 1113. Hence, we must say that 1113 is a composite number.
- Thus, 1113 is the composite number.
- If we multiply 1113 by 1, 2, 3 then we get the multiples of 1113 which are 1113, 2226 and so on.
1113 is a Composite number or Prime number
About the number 1113:
- 1113 has more than two factors which are 1, 3, 7, 21, 53, 159, 371 and 1113 and hence it is the composite number.
- 1113 is the odd composite number and it is not the perfect square also.
- If we divide 1113 by 1, 3, 7, 21, 53, 159, 371 and 1113 then we get remainder as zero. Hence, 1, 3, 7, 21, 53, 159, 371 and 1113 are the factors of 1113
Note:
- 1113 is not the perfect square.
- Factors of 1113: 1, 3, 7, 21, 53, 159, 371 and 1113
- Prime factors of 1113: 3, 7, 53
Conclusion:
- 1113 is the composite number which has factors 1, 3, 7, 21, 53, 159, 371 and 1113.
- And hence, 1113 is not the prime number.
Multiple Choice Questions:
1) 1113 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 1113 are
a) 1
b) 3, 7, 53
c) 1, 21, 159, 371 and 1113
d) 1, 3, 7, 21, 53, 159, 371 and 1113
Ans: b) 3, 7, 53
3) 1113 is the odd composite number because
a) It has factors 1, 3, 7, 21, 53, 159, 371 and 1113
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c