Is 259 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 259 is composite or not first we have to find its factors.
Contents
Factors of 259:
- If we have taken numbers from 1, 2, 3…for checking factors of 259, we found that 259 has factors 1, 7, 37 and 259. Hence, we must say that 259 is a composite number.
- Thus, 259 is the composite number.
- If we multiply 259 by 1, 2, 3 then we get the multiples of 259 which are 259, 518, and so on.
259 is a Composite number or Prime number
About the number 259:
- 259 has more than two factors which are 1, 7, 37 and 259 and hence it is the composite number.
- 259 is the odd composite number and it is not the perfect square also.
- If we divide 259 by 1, 7, 37 and 259 then we get remainder as zero. Hence, 1, 7, 37 and 259 are the factors of 259.
Note:
- 259 is not the perfect square.
- Factors of 259: 1, 7, 37 and 259
- Prime factors of 259: 7, 37
Conclusion:
- 259 is the composite number which has factors 1, 7, 37 and 259.
- And hence, 259 is not the prime number.
Multiple Choice Questions:
1) 259 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 259 are
a) 1
b) 7, 37
c) 1 and 259
d) 1, 7, 37 and 259
Ans: b) 7, 37
3) 259 is the odd composite number because
a) It has factors 1, 7, 37 and 259
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c