Is 711 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 711 is composite or not first we have to find its factors.
Contents
Factors of 711:
- If we have taken numbers from 1, 2, 3…for checking factors of 711, we found that 711 has factors 1, 3, 9, 79, 237 and 711. Hence, we must say that 711 is a composite number.
- Thus, 711 is the composite number.
- If we multiply 711 by 1, 2, 3 then we get the multiples of 711 which are 711, 1422 and so on.
711 is a Composite number or Prime number
About the number 711:
- 711 has more than two factors which are 1, 3, 9, 79, 237 and 711 and hence it is the composite number.
- 711 is the odd composite number and it is not the perfect square also.
- If we divide 711 by 1, 3, 9, 79, 237 and 711 then we get remainder as zero. Hence, 1, 3, 9, 79, 237 and 711 are the factors of 711.
Note:
- 711 is not the perfect square.
- Factors of 711: 1, 3, 9, 79, 237 and 711
- Prime factors of 711: 3, 79
Conclusion:
- 711 is the composite number which has factors 1, 3, 9, 79, 237 and 711.
- And hence, 711 is not the prime number.
Multiple Choice Questions:
1) 711 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 711 are
a) 1
b) 3, 79
c) 1, 9, 237 and 711
d) 1, 3, 9, 79, 237 and 711
Ans: b) 3, 79
3) 711 is the odd composite number because
a) It has factors 1, 3, 79 and 711
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c