Is 424 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 424 is composite or not first we have to find its factors.
Contents
Factors of 424:
- If we have taken numbers from 1, 2, 3…for checking factors of 424, we found that 424 has factors 1, 2, 4, 8, 53, 106, 212 and 424. Hence, we must say that 424 is a composite number.
- Thus, 424 is the composite umber.
- If we multiply 424 by 1, 2, 3 then we get the multiples of 424 which are 424, 848 and so on.
About the number 424:
- 424 has more than two factors which are 1, 2, 4, 8, 53, 106, 212 and 424 and hence it is the composite number.
- 424 is the even composite number and it is not the perfect square also.
- If we divide 424 by 1, 2, 4, 8, 53, 106, 212 and 424 then we get remainder as zero. Hence, 1, 2, 4, 8, 53, 106, 212 and 424 are the factors of 424.
Note:
- 424 is not the perfect square.
- Factors of 424: 1, 2, 4, 8, 53, 106, 212 and 424
- Prime factors of 424: 2, 53
Conclusion:
- 424 is the composite number which has factors 1, 2, 4, 8, 53, 106, 212
- And hence, 424 is not the prime number.
Multiple Choice Questions:
1) 424 is a
a) Prime number
b) Even number
c) Composite number
d) Both b and c
Ans: d) both b and c
2) The prime factors of a composite number 424 are
a) 2
b) 2, 53
c) 1, 4, 8, 106, 212 and 424
d) 1, 2, 4, 8, 53, 106, 212 and 424
Ans: b) 2, 53
3) 424 is the even composite number because
a) It has two factors
b) More than two factors
c) Divisible by 2
d) Both b and c
Ans: d) both b and c