Is 435 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 435 is composite or not first we have to find its factors.
Contents
Factors of 435:
- If we have taken numbers from 1, 2, 3…for checking factors of 435, we found that 435 has factors 1, 3, 5, 15, 29, 87, 145 and 435. Hence, we must say that 435 is a composite number.
- Thus, 435 is the composite number.
- If we multiply 435 by 1, 2, 3 then we get the multiples of 435 which are 435, 858 and so on.
435 is a Composite number or Prime number
About the number 435:
- 435 has more than two factors which are 1, 3, 5, 15, 29, 87, 145 and 435 and hence it is the composite number.
- 435 is the odd composite number and it is not the perfect square also.
- If we divide 435 by 1, 3, 5, 15, 29, 87, 145 and 435 then we get remainder as zero. Hence, 1, 3, 5, 15, 29, 87, 145 and 435 are the factors of 435.
Note:
- 435 is not the perfect square.
- Factors of 435: 1, 3, 5, 15, 29, 87, 145 and 435
- Prime factors of 435: 3, 5, 29
Conclusion:
- 435 is the composite number which has factors 1, 3, 5, 15, 29, 87, 145 and 435.
- And hence, 435 is not the prime number.
Multiple Choice Questions:
1) 435 is a
a) odd number
b) Prime number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The prime factors of a composite number 435 are
a) 1
b) 3, 5, 29
c) 1, 15, 87, 145 and 435
d) 1, 3, 5, 15, 29, 87, 145 and 435
Ans: b) 3, 5, 29
3) 435 is the odd composite number because
a) It has factors 1, 3, 5, 15, 29, 87, 145 and 435
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c