Is 977 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 977 is prime or not first we have to find its factors.
Contents
Factors of 977:
- If we have taken numbers from 1, 2, 3…for checking factors of 977, we found that 977 has factors 1 and the number 977 itself. Hence, we must say that 977 is a prime number.
- Thus, 977 is the prime number.
- Here, 977 is the odd prime number.
- If we multiply 977 by 1, 2, 3, then we get the multiples of 977 which are 977, 1954, 2931…and so on.
About the number 977 :
- 977has only two factors which are 1 and the number itself and hence 977 is the prime number.
- 977is the odd prime number and it is not the perfect square also.
- If we divide 977 by 1 and the number itself then we get remainder as zero. Hence, 1 and 977 are the factors of 977.
Note:
- 977 is not the perfect square.
- Factors of 977: 1 and 977
- Prime factors of 977: 977 (since, 977 is the only one prime number which is the factor of 977.)
Conclusion:
- 977is the prime number which has factors 1 and 977.
- And hence, 977 is the prime number.
Multiple Choice Questions:
1) 977 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 977 are
a) 1
b) 977
c) Both a and b
d) 0
Ans: b) 977
3) 1 is the not prime factor of 977 because
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