Is 1779 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 1779 is composite or not first we have to find its factors.
Contents
Factors of 1779:
- If we have taken numbers from 1, 2, 3…for checking factors of 1779, we found that 1779 has factors 1, 3, 593 and 1779. Hence, we must say that 1779 is a composite number.
- Thus, 1779 is the composite number.
- If we multiply 1779 by 1, 2, 3 then we get the multiples of 1779 which are 1779, 3550 and so on.
1779 is a Composite number or Prime number
About the number 1779:
- 1779 has more than two factors which are 1, 3, 593 and 1779 and hence it is the composite number.
- 1779 is the odd composite number and it is not the perfect square also.
- If we divide 1779 by 1, 3, 593 and 1779 then we get remainder as zero. Hence, 1, 3, 593 and 1779 are the factors of 1779
Note:
- 1779 is not the perfect square.
- Factors of 1779: 1, 3, 593 and 1779
- Prime factors of 1779: 3, 593
Conclusion:
- 1779 is the composite number which has factors 1, 3, 593 and 1779.
- And hence, 1779 is not the prime number.
Multiple Choice Questions:
1) 1779 is a
a) Even number
b) Prime number
c) Composite number
d) Both a and c
Ans: c) composite number
2) The non-prime factors of a composite number 1779 are
a) 1
b) 3, 593
c) 1 and 1779
d) 1, 3, 593 and 1779
Ans: b) 1 and 1779
3) 1779 is the odd composite number because
a) It has factors 1, 3, 593 and 1779
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all