Is 1173 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 1173 is composite or not first we have to find its factors.
Contents
Factors of 1173:
- If we have taken numbers from 1, 2, 3…for checking factors of 1173, we found that 1173 has factors 1, 3, 17, 23, 51, 69, 391 and 1173. Hence, we must say that 1173 is a composite number.
- Thus, 1173 is the composite number.
- If we multiply 1173 by 1, 2, 3 then we get the multiples of 1173 which are 1173, 2346 and so on.
1173 is a Composite number or Prime number
About the number 1173:
- 1173 has more than two factors which are 1, 3, 17, 23, 51, 69, 391 and 1173 and hence it is the composite number.
- 1173 is the odd composite number and it is not the perfect square also.
- If we divide 1173 by 1, 3, 17, 23, 51, 69, 391 and 1173 then we get remainder as zero. Hence, 1, 3, 17, 23, 51, 69, 391 and 1173 are the factors of 1173
Note:
- 1173 is not the perfect square.
- Factors of 1173: 1, 3, 17, 23, 51, 69, 391 and 1173
- Prime factors of 1173: 3, 17, 23
Conclusion:
- 1173 is the composite number which has factors 1, 3, 17, 23, 51, 69, 391 and 1173.
- And hence, 1173 is not the prime number.
Multiple Choice Questions:
1) 1173 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 1173 are
a) 1
b) 3, 17, 23
c) 1, 51, 69, 391 and 1173
d) 1, 3, 17, 23, 51, 69, 391 and 1173
Ans: b) 3, 17, 23
3) 1173 is the odd composite number because
a) It has factors 1, 3, 17, 23, 51, 69, 391 and 1173
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c