Is 3278 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 3278 is composite or not first we have to find its factors.
Contents
Factors of 3278:
- If we have taken numbers from 1, 2, 3…for checking factors of 3278, we found that 3278 has factors 1, 2, 11, 22, 149, 298, 1639 and 3278. Hence, we must say that 3278 is a composite number.
- Thus, 3278 is the composite number.
- If we multiply 3278 by 1, 2, 3 then we get the multiples of 3278 which are 3278, 6556 and so on.
About the number 3278:
- 3278 has more than two factors which are 1, 2, 11, 22, 149, 298, 1639 and 3278 and hence it is the composite number.
- 3278 is the even composite number and it is not the perfect square also.
- If we divide 3278 by, 1, 2, 11, 22, 149, 298, 1639 and 3278 then we get remainder as zero. Hence, 1, 2, 11, 22, 149, 298, 1639 and 3278 are the factors of 3278.
Note:
- 3278 is not the perfect square.
- Factors of 3278: 1, 2, 11, 22, 149, 298, 1639 and 3278
- Prime factors of 3278: 2, 11, 149
Conclusion:
- 3278 is the composite number which has factors, 1, 2, 11, 22, 149, 298, 1639 and 3278
- And hence, 3278 is not the prime number.
Multiple Choice Questions:
1) 3278 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 3278 are
a) 3278
b) 2, 11, 149
c) 22, 298, 1639 and 3278
d) 1, 2, 11, 22, 149, 298, 1639 and 3278
Ans: b) 2, 11, 149
3) 3278 is composite number because
a) It has factors 1, 2, 11, 22, 149, 298, 1639 and 3278
b) It has only two factors
c) Divisible by 2
d) Both a and c
Ans: a) It has factors 1, 2, 11, 22, 149, 298, 1639 and 3278