Is 1442 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 1442 is composite or not first we have to find its factors.
Contents
Factors of 1442:
- If we have taken numbers from 1, 2, 3…for checking factors of 1442, we found that 1442 has factors 1, 2, 7, 14, 103, 206, 721 and 1442. Hence, we must say that 1442 is a composite number.
- Thus, 1442 is the composite number.
- If we multiply 1442 by 1, 2, 3 then we get the multiples of 1442 which are 1442, 2884 and so on.
About the number 1442:
- 1442 has more than two factors which are 1, 2, 7, 14, 103, 206, 721 and 1442 and hence it is the composite number.
- 1442 is the even composite number and it is not the perfect square also.
- If we divide 1442 by 1, 2, 7, 14, 103, 206, 721 and 1442 then we get remainder as zero. Hence, 1, 2, 7, 14, 103, 206, 721 and 1442 are the factors of 1442.
Note:
- 1442 is not the perfect square.
- Factors of 1442: 1, 2, 7, 14, 103, 206, 721 and 1442
- Prime factors of 1442: 2, 7, 103
Conclusion:
- 1442 is the composite number which has factors 1, 2, 7, 14, 103, 206, 721 and 1442
- And hence, 1442 is not the prime number.
Multiple Choice Questions:
1) 1442 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 1442 are
a) 14, 206, 721 and 1442
b) 2, 7, 103
c) 1, 14, 206, 721 and 1442
d) 1, 2, 7, 14, 103, 206, 721 and 1442
Ans: a) 14, 206, 721 and 1442
3) 1442 is composite number because
a) It has factors1, 2, 7, 14, 103, 206, 721 and 1442
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b