Is 3578 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 3578 is composite or not first we have to find its factors.
Contents
Factors of 3578:
- If we have taken numbers from 1, 2, 3…for checking factors of 3578, we found that 3578 has factors 1, 2, 1789 and 3578. Hence, we must say that 3578 is a composite number.
- Thus, 3578 is the composite number.
- If we multiply 3578 by 1, 2, 3 then we get the multiples of 3578 which are 3578, 7156 and so on.
About the number 3578:
- 3578 has more than two factors which are 1, 2, 1789 and 3578 and hence it is the composite number.
- 3578 is the even composite number and it is not the perfect square also.
- If we divide 3578 by, 1, 2, 1789 and 3578 then we get remainder as zero. Hence, 1, 2, 1789 and 3578 are the factors of 3578.
Note:
- 3578 is not the perfect square.
- Factors of 3578: 1, 2, 1789 and 3578
- Prime factors of 3578: 2, 1789
Conclusion:
- 3578 is the composite number which has factors, 1, 2, 1789 and 3578
- And hence, 3578 is not the prime number.
Multiple Choice Questions:
1) 3578 is a
a) Prime number
b) Odd number
c) Composite number
d) Both b and c
Ans: c) composite number
2) The prime factors of a composite number 3578 are
a) 3578
b) 2, 1789
c) 3578
d) 1, 2, 1789 and 3578
Ans: b) 2, 1789
3) 3578 is even composite number because
a) It has factors 1, 2, 1789 and 3578
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all