Is 573 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 573 is composite or not first we have to find its factors.
Contents
Factors of 573:
- If we have taken numbers from 1, 2, 3…for checking factors of 573, we found that 573 has factors 1, 3, 191 and 573. Hence, we must say that 573 is a composite number.
- Thus, 573 is the composite number.
- If we multiply 573 by 1, 2, 3 then we get the multiples of 573 which are 573, 1146 and so on.
573 is a Composite number or Prime number
About the number 573:
- 573 has more than two factors which are 1, 3, 191 and 573 and hence it is the composite number.
- 573 is the odd composite number and it is not the perfect square also.
- If we divide 573 by 1, 3, 191 and 573 then we get remainder as zero. Hence, 1, 3, 191 and 573 are the factors of 573.
Note:
- 573 is not the perfect square.
- Factors of 573: 1, 3, 191 and 573
- Prime factors of 573: 3, 191
Conclusion:
- 573 is the composite number which has factors 1, 3, 191 and 573.
- And hence, 573 is not the prime number.
Multiple Choice Questions:
1) 573 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 573 are
a) 1
b) 3, 191
c) 1 and 573
d) 1, 3, 191 and 573
Ans: b) 3, 191
3) 573 is the odd composite number because
a) It has factors 1, 3, 191 and 573
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c