Is 1282 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 1282 is composite or not first we have to find its factors.
Contents
Factors of 1282:
- If we have taken numbers from 1, 2, 3…for checking factors of 1282, we found that 1282 has factors 1, 2, 641 and 1282. Hence, we must say that 1282 is a composite number.
- Thus, 1282 is the composite number.
- If we multiply 1282 by 1, 2, 3 then we get the multiples of 1282 which are 1282, 2564 and so on.
About the number 1282:
- 1282 has more than two factors which are 1, 2, 641 and 1282 and hence it is the composite number.
- 1282 is the even composite number and it is not the perfect square also.
- If we divide 1282 by 1, 2, 641 and 1282 then we get remainder as zero. Hence, 1, 2, 641 and 1282 are the factors of 1282.
Note:
- 1282 is not the perfect square.
- Factors of 1282: 1, 2, 641 and 1282
- Prime factors of 1282: 2, 641
Conclusion:
- 1282 is the composite number which has factors 1, 2, 641 and 1282
- And hence, 1282 is not the prime number.
Multiple Choice Questions:
1) 1282 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 1282 are
a) 1282
b) 2, 641
c) 1 and 1282
d) 1, 2, 641 and 1282
Ans: a) 1282
3) 1282 is composite number because
a) It has factors 1, 2, 641 and 1282
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b