Is 3430 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 3430 is composite or not first we have to find its factors.
Contents
Factors of 3430:
- If we have taken numbers from 1, 2, 3…for checking factors of 3430, we found that 3430 has factors 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715 and 3430. Hence, we must say that 3430 is a composite number.
- Thus, 3430 is the composite number.
- If we multiply 3430 by 1, 2, 3 then we get the multiples of 3430 which are 3430, 6860 and so on.
About the number 3430:
- 3430 has more than two factors which are 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715 and 3430 and hence it is the composite number.
- 3430 is the even composite number and it is not the perfect square also.
- If we divide 3430 by, 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715 and 3430 then we get remainder as zero. Hence, 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715 and 3430 are the factors of 3430.
Note:
- 3430 is not the perfect square.
- Factors of 3430: 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715 and 3430
- Prime factors of 3430: 2, 5, 7
Conclusion:
- 3430 is the composite number which has factors, 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715 and 3430
- And hence, 3430 is not the prime number.
Multiple Choice Questions:
1) 3430 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 3430 are
a) 3430
b) 2, 5, 7
c) 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715 and 3430
d) 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715 and 3430
Ans: b) 2, 5, 7
3) 3430 is even composite number because
a) It has factors 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715 and 3430
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all