Is 3378 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 3378 is composite or not first we have to find its factors.
Contents
Factors of 3378:
- If we have taken numbers from 1, 2, 3…for checking factors of 3378, we found that 3378 has factors 1, 2, 3, 6, 563, 1126, 1689 and 3378. Hence, we must say that 3378 is a composite number.
- Thus, 3378 is the composite number.
- If we multiply 3378 by 1, 2, 3 then we get the multiples of 3378 which are 3378, 6756 and so on.
About the number 3378:
- 3378 has more than two factors which are 1, 2, 3, 6, 563, 1126, 1689 and 3378 and hence it is the composite number.
- 3378 is the even composite number and it is not the perfect square also.
- If we divide 3378 by, 1, 2, 3, 6, 563, 1126, 1689 and 3378 then we get remainder as zero. Hence, 1, 2, 3, 6, 563, 1126, 1689 and 3378 are the factors of 3378.
Note:
- 3378 is not the perfect square.
- Factors of 3378: 1, 2, 3, 6, 563, 1126, 1689 and 3378
- Prime factors of 3378: 2, 3, 563
Conclusion:
- 3378 is the composite number which has factors, 1, 2, 3, 6, 563, 1126, 1689 and 3378
- And hence, 3378 is not the prime number.
Multiple Choice Questions:
1) 3378 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 3378 are
a) 3378
b) 2, 3, 563
c) 6, 1126, 1689 and 3378
d) 1, 2, 3, 6, 563, 1126, 1689 and 3378
Ans: b) 2, 3, 563
3) 3378 is composite number because
a) It has factors 1, 2, 3, 6, 563, 1126, 1689 and 3378
b) It has only two factors
c) Divisible by 2
d) Both a and c
Ans: a) It has factors 1, 2, 3, 6, 563, 1126, 1689 and 3378