Is 1765 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 1765 is composite or not first we have to find its factors.
Contents
Factors of 1765:
- If we have taken numbers from 1, 2, 3…for checking factors of 1765, we found that 1765 has factors 1, 5, 353 and 1765. Hence, we must say that 1765 is a composite number.
- Thus, 1765 is the composite number.
- If we multiply 1765 by 1, 2, 3 then we get the multiples of 1765 which are 1765, 3530 and so on.
1765 is a Composite number or Prime number
About the number 1765:
- 1765 has more than two factors which are 1, 5, 353 and 1765 and hence it is the composite number.
- 1765 is the odd composite number and it is not the perfect square also.
- If we divide 1765 by 1, 5, 353 and 1765 then we get remainder as zero. Hence, 1, 5, 353 and 1765 are the factors of 1765
Note:
- 1765 is not the perfect square.
- Factors of 1765: 1, 5, 353 and 1765
- Prime factors of 1765: 5, 353
Conclusion:
- 1765 is the composite number which has factors 1, 5, 353 and 1765.
- And hence, 1765 is not the prime number.
Multiple Choice Questions:
1) 1765 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 1765 are
a) 1
b) 5, 353
c) 1 and 1765
d) 1, 5, 353 and 1765
Ans: b) 1 and 1765
3) 1765 is the odd composite number because
a) It has factors 1, 5, 353 and 1765
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all