Is 2505 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 2505 is composite or not first we have to find its factors.
Contents
Factors of 2505:
- If we have taken numbers from 1, 2, 3…for checking factors of 2505, we found that 2505 has factors 1, 3, 5, 15, 167, 501, 835 and 2505. Hence, we must say that 2505 is a composite number.
- Thus, 2505 is the composite number.
- If we multiply 2505 by 1, 2, 3 then we get the multiples of 2505 which are 2505, 5010 and so on.
2505 is a Composite number or Prime number
About the number 2505:
- 2505 has more than two factors which are 1, 3, 5, 15, 167, 501, 835 and 2505 and hence it is the composite number.
- 2505 is the odd composite number and it is not the perfect square also.
- If we divide 2505 by 1, 3, 5, 15, 167, 501, 835 and 2505 then we get remainder as zero. Hence 1, 3, 5, 15, 167, 501, 835 and 2505 are the factors of 2505
Note:
- 2505 is not the perfect square.
- Factors of 2505: 1, 3, 5, 15, 167, 501, 835 and 2505
- Prime factors of 2505: 3, 5, 167
Conclusion:
- 2505 is the composite number which has factors 1, 3, 5, 15, 167, 501, 835 and 2505.
- And hence, 2505 is not the prime number.
Multiple Choice Questions:
1) 2505 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 2505 are
a) 1
b) 3, 5, 167
c) 1 and 2505
d) 1, 3, 5, 15, 167, 501, 835 and 2505
Ans: b) 3, 5, 167
3) 2505 is the composite number because
a) It has factors 1, 3, 5, 15, 167, 501, 835 and 2505
b) It has more than two factors
c) It is not divisible by 2
d) Both a and b
Ans: d) both a and b