Is 494 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 494 is composite or not first we have to find its factors.
Contents
Factors of 494:
- If we have taken numbers from 1, 2, 3…for checking factors of 494, we found that 494 has factors 1, 2, 13, 19, 26, 38, 247 and 494. Hence, we must say that 494 is a composite number.
- Thus, 494 is the composite umber.
- If we multiply 494 by 1, 2, 3 then we get the multiples of 494 which are 494, 988 and so on.
About the number 494:
- 494 has more than two factors which are 1, 2, 13, 19, 26, 38, 247 and 494 and hence it is the composite number.
- 494 is the even composite number and it is not the perfect square also.
- If we divide 494 by 1, 2, 13, 19, 26, 38, 247 and 494 then we get remainder as zero. Hence, 1, 2, 13, 19, 26, 38, 247 and 494 are the factors of 494.
Note:
- 494 is not the perfect square.
- Factors of 494: 1, 2, 13, 19, 26, 38, 247 and 494
- Prime factors of 494: 2, 13, 19
Conclusion:
- 494 is the composite number which has factors 1, 2, 13, 19, 26, 38, 247 and 494
- And hence, 494 is not the prime number.
Multiple Choice Questions:
1) 494 is a
a) Prime number
b) Even number
c) Composite number
d) Both b and c
Ans: d) both b and c
2) The prime factors of a composite number 494 are
a) 1
b) 2, 13, 19
c) 1, 26, 38, 247 and 494
d) 1, 2, 13, 19, 26, 38, 247 and 494
Ans: b) 2, 13, 19
3) 494 is the even composite number because
a) It has two factors
b) More than two factors
c) Divisible by 2
d) Both b and c
Ans: d) both b and c