Is 3428 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 3428 is composite or not first we have to find its factors.
Contents
Factors of 3428:
- If we have taken numbers from 1, 2, 3…for checking factors of 3428, we found that 3428 has factors 1, 2, 4, 857, 1714 and 3428. Hence, we must say that 3428 is a composite number.
- Thus, 3428 is the composite number.
- If we multiply 3428 by 1, 2, 3 then we get the multiples of 3428 which are 3428, 6856 and so on.
About the number 3428:
- 3428 has more than two factors which are 1, 2, 4, 857, 1714 and 3428 and hence it is the composite number.
- 3428 is the even composite number and it is not the perfect square also.
- If we divide 3428 by, 1, 2, 4, 857, 1714 and 3428 then we get remainder as zero. Hence, 1, 2, 4, 857, 1714 and 3428 are the factors of 3428.
Note:
- 3428 is not the perfect square.
- Factors of 3428: 1, 2, 4, 857, 1714 and 3428
- Prime factors of 3428: 2, 857
Conclusion:
- 3428 is the composite number which has factors, 1, 2, 4, 857, 1714 and 3428
- And hence, 3428 is not the prime number.
Multiple Choice Questions:
1) 3428 is a
a) Prime number
b) Odd number
c) Composite number
d) Both b and c
Ans: c) composite number
2) The prime factors of a composite number 3428 are
a) 3428
b) 2, 857
c) 4, 1714 and 3428
d) 1, 2, 4, 857, 1714 and 3428
Ans: b) 2, 857
3) 3428 is even composite number because
a) It has factors 1, 2, 4, 857, 1714 and 3428
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all