Is 1179 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 1179 is composite or not first we have to find its factors.
Contents
Factors of 1179:
- If we have taken numbers from 1, 2, 3…for checking factors of 1179, we found that 1179 has factors 1, 3, 9, 131, 393 and 1179. Hence, we must say that 1179 is a composite number.
- Thus, 1179 is the composite number.
- If we multiply 1179 by 1, 2, 3 then we get the multiples of 1179 which are 1179, 2358 and so on.
1179 is a Composite number or Prime number
About the number 1179:
- 1179 has more than two factors which are 1, 3, 9, 131, 393 and 1179 and hence it is the composite number.
- 1179 is the odd composite number and it is not the perfect square also.
- If we divide 1179 by 1, 3, 9, 131, 393 and 1179 then we get remainder as zero. Hence, 1, 3, 9, 131, 393 and 1179 are the factors of 1179
Note:
- 1179 is not the perfect square.
- Factors of 1179: 1, 3, 9, 131, 393 and 1179
- Prime factors of 1179: 3, 131
Conclusion:
- 1179 is the composite number which has factors 1, 3, 9, 131, 393 and 1179.
- And hence, 1179 is not the prime number.
Multiple Choice Questions:
1) 1179 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 1179 are
a) 1
b) 3, 131
c) 1, 9, 393 and 1179
d) 1, 3, 9, 131, 393 and 1179
Ans: b) 3, 131
3) 1179 is the odd composite number because
a) It has factors 1, 3, 9, 131, 393 and 1179
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c