Is 2428 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 2428 is composite or not first we have to find its factors.
Contents
Factors of 2428:
- If we have taken numbers from 1, 2, 3…for checking factors of 2428, we found that 2428 has factors 1, 2, 4, 607, 1214 and 2428. Hence, we must say that 2428 is a composite number.
- Thus, 2428 is the composite number.
- If we multiply 2428 by 1, 2, 3 then we get the multiples of 2428 which are 2428, 4856 and so on.
About the number 2428:
- 2428 has more than two factors which are 1, 2, 4, 607, 1214 and 2428 and hence it is the composite number.
- 2428 is the even composite number and it is not the perfect square also.
- If we divide 2428 by, 1, 2, 4, 607, 1214 and 2428 then we get remainder as zero. Hence, 1, 2, 4, 607, 1214 and 2428 are the factors of 2428.
Note:
- 2428 is not the perfect square.
- Factors of 2428: 1, 2, 4, 607, 1214 and 2428
- Prime factors of 2428: 2, 607
Conclusion:
- 2428 is the composite number which has factors 1, 2, 4, 607, 1214 and 2428
- And hence, 2428 is not the prime number.
Multiple Choice Questions:
1) 2428 is a
a) Even number
b) Odd number
c) Composite number
d) Both a and c
Ans: d) both a and d
2) The prime factors of a composite number 2428 are
a) 2428
b) 2, 607
c) 1, 4, 1214 and 2428
d) 1, 2, 4, 607, 1214 and 2428
Ans: b) 2, 607
3) 2428 is composite number because
a) It has factors 1, 2, 4, 607, 1214 and 2428
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b