Is 3211 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 3211 is composite or not first we have to find its factors.
Contents
Factors of 3211:
- If we have taken numbers from 1, 2, 3…for checking factors of 3211, we found that 3211 has factors 1, 13, 19, 169, 247 and 3211. Hence, we must say that 3211 is a composite number.
- Thus, 3211 is the composite number.
- If we multiply 3211 by 1, 2, 3 then we get the multiples of 3211 which are 3211, 6422 and so on.
3211 is a Composite number or Prime number
About the number 3211:
- 3211 has more than two factors which are 1, 13, 19, 169, 247 and 3211 and hence it is the composite number.
- 3211 is the odd composite number and it is not the perfect square also.
- If we divide 3211 by 1, 13, 19, 169, 247 and 3211 then we get remainder as zero. Hence 1, 13, 19, 169, 247 and 3211 are the factors of 3211
Note:
- 3211 is not the perfect square.
- Factors of 3211: 1, 13, 19, 169, 247 and 3211
- Prime factors of 3211: 13, 19
Conclusion:
- 3211 is the composite number which has factors 1, 13, 19, 169, 247 and 3211.
- And hence, 3211 is not the prime number.
Multiple Choice Questions:
1) 3211 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 3211 are
a) 1
b) 13, 19
c) 1, 13, 19, 169, 247 and 3211
d) 1, 169, 247 and 3211
Ans: d) 1, 169, 247 and 3211
3) 3211 is the odd composite number because
a) It has factors 1, 13, 19, 169, 247 and 3211
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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