Is 979 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 979 is composite or not first we have to find its factors.
Contents
Factors of 979:
- If we have taken numbers from 1, 2, 3…for checking factors of 979, we found that 979 has factors 1, 11, 89 and 979. Hence, we must say that 979 is a composite number.
- Thus, 979 is the composite number.
- If we multiply 979 by 1, 2, 3 then we get the multiples of 979 which are 979, 1958 and so on.
979 is a Composite number or Prime number
About the number 979:
- 979 has more than two factors which are 1, 11, 89 and 979 and hence it is the composite number.
- 979 is the odd composite number and it is not the perfect square also.
- If we divide 979 by 1, 11, 89 and 979 then we get remainder as zero. Hence, 1, 11, 89 and 979 are the factors of 979
Note:
- 979 is not the perfect square.
- Factors of 979: 1, 11, 89 and 979
- Prime factors of 979: 11, 89
Conclusion:
- 979 is the composite number which has factors 1, 11, 89 and 979.
- And hence, 979 is not the prime number.
Multiple Choice Questions:
1) 979 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 979 are
a) 1
b) 11, 89
c) 1 and 979
d) 1, 11, 89 and 979
Ans: b) 11, 89
3) 979 is the odd composite number because
a) It has factors 1, 11, 89 and 979
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c