Is 493 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 493 is composite or not first we have to find its factors.
Contents
Factors of 493:
- If we have taken numbers from 1, 2, 3…for checking factors of 493, we found that 493 has factors 1, 17, 29 and 493. Hence, we must say that 493 is a composite number.
- Thus, 493 is the composite number.
- If we multiply 493 by 1, 2, 3 then we get the multiples of 493 which are 493, 986 and so on.
493 is a Composite number or Prime number
About the number 493:
- 493 has more than two factors which are 1, 17, 29 and 493 and hence it is the composite number.
- 493 is the odd composite number and it is not the perfect square also.
- If we divide 493 by 1, 17, 29 and 493 then we get remainder as zero. Hence, 1, 17, 29 and 493 are the factors of 493.
Note:
- 493 is not the perfect square.
- Factors of 493: 1, 17, 29 and 493
- Prime factors of 493: 17, 29
Conclusion:
- 493 is the composite number which has factors 1, 17, 29 and 493.
- And hence, 493 is not the prime number.
Multiple Choice Questions:
1) 493 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 493 are
a) 1
b) 17, 29
c) 1 and 493
d) 1, 17, 29 and 493
Ans: b) 17, 29
3) 493 is the odd composite number because
a) It has factors 1, 17, 29 and 493
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c