Is 3159 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 3159 is composite or not first we have to find its factors.
Contents
Factors of 3159:
- If we have taken numbers from 1, 2, 3…for checking factors of 3159, we found that 3159 has factors 1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053 and 3159. Hence, we must say that 3159 is a composite number.
- Thus, 3159 is the composite number.
- If we multiply 3159 by 1, 2, 3 then we get the multiples of 3159 which are 3159, 6318 and so on.
3159 is a Composite number or Prime number
About the number 3159:
- 3159 has more than two factors which are 1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053 and 3159 and hence it is the composite number.
- 3159 is the odd composite number and it is not the perfect square also.
- If we divide 3159 by 1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053 and 3159 then we get remainder as zero. Hence 1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053 and 3159 are the factors of 3159
Note:
- 3159 is not the perfect square.
- Factors of 3159: 1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053 and 3159
- Prime factors of 3159: 3, 13
Conclusion:
- 3159 is the composite number which has factors 1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053 and 3159.
- And hence, 3159 is not the prime number.
Multiple Choice Questions:
1) 3159 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 3159 are
a) 1
b) 3, 13
c) 1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053 and 3159
d) 1, 9, 27, 39, 81, 117, 243, 351, 1053 and 3159
Ans: d) 1, 9, 27, 39, 81, 117, 243, 351, 1053 and 3159
3) 3159 is the odd composite number because
a) It has factors 1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053 and 3159
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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