Is 3320 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 3320 is composite or not first we have to find its factors.
Contents
Factors of 3320:
- If we have taken numbers from 1, 2, 3…for checking factors of 3320, we found that 3320 has factors 1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660 and 3320. Hence, we must say that 3320 is a composite number.
- Thus, 3320 is the composite number.
- If we multiply 3320 by 1, 2, 3 then we get the multiples of 3320 which are 3320, 6640 and so on.
About the number 3320:
- 3320 has more than two factors which are 1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660 and 3320 and hence it is the composite number.
- 3320 is the even composite number and it is not the perfect square also.
- If we divide 3320 by, 1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660 and 3320 then we get remainder as zero. Hence, 1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660 and 3320 are the factors of 3320.
Note:
- 3320 is not the perfect square.
- Factors of 3320: 1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660 and 3320
- Prime factors of 3320: 2, 5, 83
Conclusion:
- 3320 is the composite number which has factors, 1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660 and 3320
- And hence, 3320 is not the prime number.
Multiple Choice Questions:
1) 3320 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 3320 are
a) 3320
b) 2, 5, 83
c) 4, 8, 10, 20, 40, 166, 332, 415, 664, 830, 1660 and 3320
d) 1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660 and 3320
Ans: b) 2, 5, 83
3) 3320 is composite number because
a) It has factors 1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660 and 3320
b) It has only two factors
c) Divisible by 2
d) Both a and c
Ans: a) It has factors 1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660 and 3320