Is 1329 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 1329 is composite or not first we have to find its factors.
Contents
Factors of 1329:
- If we have taken numbers from 1, 2, 3…for checking factors of 1329, we found that 1329 has factors 1, 3, 443 and 1329. Hence, we must say that 1329 is a composite number.
- Thus, 1329 is the composite number.
- If we multiply 1329 by 1, 2, 3 then we get the multiples of 1329 which are 1329, 2658 and so on.
1329 is a Composite number or Prime number
About the number 1329:
- 1329 has more than two factors which are 1, 3, 443 and 1329 and hence it is the composite number.
- 1329 is the odd composite number and it is not the perfect square also.
- If we divide 1329 by 1, 3, 443 and 1329 then we get remainder as zero. Hence, 1, 3, 443 and 1329 are the factors of 1329
Note:
- 1329 is not the perfect square.
- Factors of 1329: 1, 3, 443 and 1329
- Prime factors of 1329: 3, 443
Conclusion:
- 1329 is the composite number which has factors 1, 3, 443 and 1329.
- And hence, 1329 is not the prime number.
Multiple Choice Questions:
1) 1329 is a
a) Even number
b) Prime number
c) Composite number
d) Both a and c
Ans: c) composite number
2) The non-prime factors of a composite number 1329 are
a) 1
b) 3, 443
c) 1 and 1329
d) 1, 3, 443 and 1329
Ans: b) 1 and 1329
3) 1329 is the odd composite number because
a) It has factors 1, 3, 443 and 1329
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all