Is 1258 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 1258 is composite or not first we have to find its factors.
Contents
Factors of 1258:
- If we have taken numbers from 1, 2, 3…for checking factors of 1258, we found that 1258 has factors 1, 2, 17, 34, 37, 74, 629 and 1258. Hence, we must say that 1258 is a composite number.
- Thus, 1258 is the composite number.
- If we multiply 1258 by 1, 2, 3 then we get the multiples of 1258 which are 1258, 2516 and so on.
About the number 1258:
- 1258 has more than two factors which are 1, 2, 17, 34, 37, 74, 629 and 1258 and hence it is the composite number.
- 1258 is the even composite number and it is not the perfect square also.
- If we divide 1258 by 1, 2, 17, 34, 37, 74, 629 and 1258 then we get remainder as zero. Hence, 1, 2, 17, 34, 37, 74, 629 and 1258 are the factors of 1258.
Note:
- 1258 is not the perfect square.
- Factors of 1258: 1, 2, 17, 34, 37, 74, 629 and 1258
- Prime factors of 1258: 2, 17, 37
Conclusion:
- 1258 is the composite number which has factors1, 2, 17, 34, 37, 74, 629 and 1258
- And hence, 1258 is not the prime number.
Multiple Choice Questions:
1) 1258 is a
a) Even number
b) Not a perfect square number
c) Composite number
d) all
Ans: d) all
2) The composite factors of a composite number 1258 are
a) 34, 74, 629 and 1258
b) 2, 17, 37
c) 1, 34, 74, 629 and 1258
d) 1, 2, 17, 34, 37, 74, 629 and 1258
Ans: a) 34, 74, 629 and 1258
3) 1258 is composite number because
a) It has factors1, 2, 17, 34, 37, 74, 629 and 1258
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b