Is 1424 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 1424 is composite or not first we have to find its factors.
Contents
Factors of 1424:
- If we have taken numbers from 1, 2, 3…for checking factors of 1424, we found that 1424 has factors 1, 2, 4, 8, 16, 89, 178, 356, 712 and 1424. Hence, we must say that 1424 is a composite number.
- Thus, 1424 is the composite number.
- If we multiply 1424 by 1, 2, 3 then we get the multiples of 1424 which are 1424, 2848 and so on.
About the number 1424:
- 1424 has more than two factors which are 1, 2, 4, 8, 16, 89, 178, 356, 712 and 1424 and hence it is the composite number.
- 1424 is the even composite number and it is not the perfect square also.
- If we divide 1424 by 1, 2, 4, 8, 16, 89, 178, 356, 712 and 1424 then we get remainder as zero. Hence, 1, 2, 4, 8, 16, 89, 178, 356, 712 and 1424 are the factors of 1424.
Note:
- 1424 is not the perfect square.
- Factors of 1424: 1, 2, 4, 8, 16, 89, 178, 356, 712 and 1424
- Prime factors of 1424: 2, 89
Conclusion:
- 1424 is the composite number which has factors 1, 2, 4, 8, 16, 89, 178, 356, 712 and 1424
- And hence, 1424 is not the prime number.
Multiple Choice Questions:
1) 1424 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 1424 are
a) 4, 8, 16, 178, 356, 712 and 1424
b) 2, 89
c) 1, 4, 8, 16, 178, 356, 712 and 1424
d) 1, 2, 4, 8, 16, 89, 178, 356, 712 and 1424
Ans: a) 4, 8, 16, 178, 356, 712 and 1424
3) 1424 is composite number because
a) It has factors 1, 2, 4, 8, 16, 89, 178, 356, 712 and 1424
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b