Is 575 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 575 is composite or not first we have to find its factors.
Contents
Factors of 575:
- If we have taken numbers from 1, 2, 3…for checking factors of 575, we found that 575 has factors 1, 5, 23, 25, 115 and 575. Hence, we must say that 575 is a composite number.
- Thus, 575 is the composite number.
- If we multiply 575 by 1, 2, 3 then we get the multiples of 575 which are 575, 1150 and so on.
575 is a Composite number or Prime number
About the number 575:
- 575 has more than two factors which are 1, 5, 23, 25, 115 and 575 and hence it is the composite number.
- 575 is the odd composite number and it is not the perfect square also.
- If we divide 575 by 1, 5, 23, 25, 115 and 575 then we get remainder as zero. Hence, 1, 5, 23, 25, 115 and 575 are the factors of 575.
Note:
- 575 is not the perfect square.
- Factors of 575: 1, 5, 23, 25, 115 and 575
- Prime factors of 575: 5, 23
Conclusion:
- 575 is the composite number which has factors 1, 5, 23, 25, 115 and 575.
- And hence, 575 is not the prime number.
Multiple Choice Questions:
1) 575 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 575 are
a) 1
b) 5, 23
c) 1, 25, 115 and 575
d) 1, 5, 23, 25, 115 and 575
Ans: b) 5, 23
3) 575 is the odd composite number because
a) It has factors 1, 5, 23, 25, 115 and 575
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c