Is 871 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 871 is composite or not first we have to find its factors.
Contents
Factors of 871:
- If we have taken numbers from 1, 2, 3…for checking factors of 871, we found that 871 has factors 1, 13, 67 and 871. Hence, we must say that 871 is a composite number.
- Thus, 871 is the composite number.
- If we multiply 871 by 1, 2, 3 then we get the multiples of 871 which are 871, 1742 and so on.
871 is a Composite number or Prime number
About the number 871:
- 871 has more than two factors which are 1, 13, 67 and 871 and hence it is the composite number.
- 871 is the odd composite number and it is not the perfect square also.
- If we divide 871 by 1, 13, 67 and 871 then we get remainder as zero. Hence, 1, 13, 67 and 871 are the factors of 871
Note:
- 871 is not the perfect square.
- Factors of 871: 1, 13, 67 and 871
- Prime factors of 871: 13, 67
Conclusion:
- 871 is the composite number which has factors 1, 13, 67 and 871.
- And hence, 871 is not the prime number.
Multiple Choice Questions:
1) 871 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 871 are
a) 1
b) 13, 67
c) 1 and 871
d) 1, 13, 67 and 871
Ans: b) 13, 67
3) 871 is the odd composite number because
a) It has factors 1, 13, 67 and 871
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c