Is 797 is a prime 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 797 is prime or not first we have to find its factors.
Factors of 797:
- If we have taken numbers from 1, 2, 3…for checking factors of 797, we found that 797 has factors 1 and the number 797 itself. Hence, we must say that 797 is a prime number.
- Thus, 797 is the prime number.
- Here, 797 is the odd prime number.
- If we multiply 797 by 1, 2, 3, then we get the multiples of 797 which are 797, 1594, 2391…and so on.
Contents
About the number 797:
- 797has only two factors which are 1 and the number itself and hence 797 is the prime number.
- 797is the odd prime number and it is not the perfect square also.
- If we divide 797 by 1 and the number itself then we get remainder as zero. Hence, 1 and 797 are the factors of 797.
Note:
- 797 is not the perfect square.
- Factors of 797: 1 and 797
- Prime factors of 797: 797 (since, 797 is the only one prime number which is the factor of 797.)
Conclusion:
- 797is the prime number which has factors 1 and 797.
- And hence, 797 is the prime number.
Multiple Choice Questions:
1) 797 is a
a) odd number
b) Prime number
c) Composite number
d) Both a and b
Ans: d) both a and b
2) The prime factors of a prime number 797 are
a ) 1
b) 797
c) Both a and b
d) 0
Ans: b) 797
3) 1 is the not prime factor of 797because
a) It is the prime number
b) 1 is neither prime nor composite number
c) Both a and b
d) Given statement is false
Ans: b) 1 is neither prime nor composite number