Is 3421 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 3421 is composite or not first we have to find its factors.
Contents
Factors of 3421:
- If we have taken numbers from 1, 2, 3…for checking factors of 3421, we found that 3421 has factors 1, 11, 311 and 3421. Hence, we must say that 3421 is a composite number.
- Thus, 3421 is the composite number.
- If we multiply 3421 by 1, 2, 3 then we get the multiples of 3421 which are 3421, 6842 and so on.
3421 is a Composite number or Prime number
About the number 3421:
- 3421 has more than two factors which are 1, 11, 311 and 3421 and hence it is the composite number.
- 3421 is the odd composite number and it is not the perfect square also.
- If we divide 3421 by 1, 11, 311 and 3421 then we get remainder as zero. Hence 1, 11, 311 and 3421 are the factors of 3421
Note:
- 3421 is not the perfect square.
- Factors of 3421: 1, 11, 311 and 3421
- Prime factors of 3421: 11, 311
Conclusion:
- 3421 is the composite number which has factors 1, 11, 311 and 3421.
- And hence, 3421 is not the prime number.
Multiple Choice Questions:
1) 3421 is a
a) odd number
b) Prime number
c) even number
d) Both a and c
Ans: a) odd number
2) The non-prime factors of a composite number 3421 are
a) 1
b) 11, 311
c) 1, 11, 311 and 3421
d) 1 and 3421
Ans: d)1 and 3421
3) 3421 is the odd composite number because
a) It has factors 1, 11, 311 and 3421
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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