Is 3171 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 3171 is composite or not first we have to find its factors.
Contents
Factors of 3171:
- If we have taken numbers from 1, 2, 3…for checking factors of 3171, we found that 3171 has factors 1, 3, 7, 21, 151, 453, 1057 and 3171. Hence, we must say that 3171 is a composite number.
- Thus, 3171 is the composite number.
- If we multiply 3171 by 1, 2, 3 then we get the multiples of 3171 which are 3171, 6342 and so on.
3171 is a Composite number or Prime number
About the number 3171:
- 3171 has more than two factors which are 1, 3, 7, 21, 151, 453, 1057 and 3171 and hence it is the composite number.
- 3171 is the odd composite number and it is not the perfect square also.
- If we divide 3171 by 1, 3, 7, 21, 151, 453, 1057 and 3171 then we get remainder as zero. Hence 1, 3, 7, 21, 151, 453, 1057 and 3171 are the factors of 3171
Note:
- 3171 is not the perfect square.
- Factors of 3171: 1, 3, 7, 21, 151, 453, 1057 and 3171
- Prime factors of 3171: 3, 7, 151
Conclusion:
- 3171 is the composite number which has factors 1, 3, 7, 21, 151, 453, 1057 and 3171.
- And hence, 3171 is not the prime number.
Multiple Choice Questions:
1) 3171 is a
a) odd number
b) Prime number
c) even number
d) Both a and c
Ans: a) odd number
2) The non-prime factors of a composite number 3171 are
a) 1
b) 3, 7, 151
c) 1, 3, 7, 21, 151, 453, 1057 and 3171
d) 1, 21, 453, 1057 and 3171
Ans: d) 1, 21, 453, 1057 and 3171
3) 3171 is the odd composite number because
a) It has factors 1, 3, 7, 21, 151, 453, 1057 and 3171
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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