Is 426 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 426 is composite or not first we have to find its factors.
Contents
Factors of 426:
- If we have taken numbers from 1, 2, 3…for checking factors of 426, we found that 426 has factors 1, 2, 3, 6, 71, 142, 213 and 426. Hence, we must say that 426 is a composite number.
- Thus, 426 is the composite umber.
- If we multiply 426 by 1, 2, 3 then we get the multiples of 426 which are 426, 852 and so on.
About the number 426:
- 426 has more than two factors which are 1, 2, 3, 6, 71, 142, 213 and 426 and hence it is the composite number.
- 426 is the even composite number and it is not the perfect square also.
- If we divide 426 by 1, 2, 3, 6, 71, 142, 213 and 426 then we get remainder as zero. Hence, 1, 2, 3, 6, 71, 142, 213 and 426 are the factors of 426.
Note:
- 426 is not the perfect square.
- Factors of 426: 1, 2, 3, 6, 71, 142, 213 and 426
- Prime factors of 426: 2, 3, 71
Conclusion:
- 426 is the composite number which has factors 1, 2, 3, 6, 71, 142, 213
- And hence, 426 is not the prime number.
Multiple Choice Questions:
1) 426 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 426 are
a) 2
b) 2, 3, 71
c) 1, 6, 142, 213 and 426
d) 1, 2, 3, 6, 71, 142, 213 and 426
Ans: b) 2, 3, 71
3) 426 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