Is 779 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 779 is composite or not first we have to find its factors.
Contents
Factors of 779:
- If we have taken numbers from 1, 2, 3…for checking factors of 779, we found that 779 has factors 1, 19, 41 and 779. Hence, we must say that 779 is a composite number.
- Thus, 779 is the composite number.
- If we multiply 779 by 1, 2, 3 then we get the multiples of 779 which are 779, 1558 and so on.
779 is a Composite number or Prime number
About the number 779:
- 779 has more than two factors which are 1, 19, 41 and 779 and hence it is the composite number.
- 779 is the odd composite number and it is not the perfect square also.
- If we divide 779 by 1, 19, 41 and 779 then we get remainder as zero. Hence, 1, 19, 41 and 779 are the factors of 779
Note:
- 779 is not the perfect square.
- Factors of 779: 1, 19, 41 and 779
- Prime factors of 779: 19, 41
Conclusion:
- 779 is the composite number which has factors 1, 19, 41 and 779.
- And hence, 779 is not the prime number.
Multiple Choice Questions:
1) 779 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 779 are
a) 1
b) 19, 41
c) 1 and 779
d) 1, 19, 41 and 779
Ans: b) 19, 41
3) 779 is the odd composite number because
a) It has factors 1, 19, 41 and 779
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c