Is 2765 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 2765 is composite or not first we have to find its factors.
Contents
Factors of 2765:
- If we have taken numbers from 1, 2, 3…for checking factors of 2765, we found that 2765 has factors 1, 5, 7, 35, 79, 395, 553 and 2765. Hence, we must say that 2765 is a composite number.
- Thus, 2765 is the composite number.
- If we multiply 2765 by 1, 2, 3 then we get the multiples of 2765 which are 2765, 5530 and so on.
2765 is a Composite number or Prime number
About the number 2765:
- 2765 has more than two factors which are 1, 5, 7, 35, 79, 395, 553 and 2765 and hence it is the composite number.
- 2765 is the odd composite number and it is not the perfect square also.
- If we divide 2765 by 1, 5, 7, 35, 79, 395, 553 and 2765 then we get remainder as zero. Hence 1, 5, 7, 35, 79, 395, 553 and 2765 are the factors of 2765
Note:
- 2765 is not the perfect square.
- Factors of 2765: 1, 5, 7, 35, 79, 395, 553 and 2765
- Prime factors of 2765: 5, 7, 79
Conclusion:
- 2765 is the composite number which has factors 1, 5, 7, 35, 79, 395, 553 and 2765.
- And hence, 2765 is not the prime number.
Multiple Choice Questions:
1) 2765 is a
a) odd number
b) Prime number
c) even number
d) Both a and c
Ans: a) odd number
2) The non-prime factors of a composite number 2765 are
a) 1
b) 5, 7, 79
c) 1, 5, 7, 35, 79, 395, 553 and 2765
d) 1, 35, 395, 553 and 2765
Ans: d) 1, 35, 395, 553 and 2765
3) 2765 is the odd composite number because
a) It has factors 1, 5, 7, 35, 79, 395, 553 and 2765
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all