Is 1325 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 1325 is composite or not first we have to find its factors.
Contents
Factors of 1325:
- If we have taken numbers from 1, 2, 3…for checking factors of 1325, we found that 1325 has factors 1, 5, 25, 53, 265 and 1325. Hence, we must say that 1325 is a composite number.
- Thus, 1325 is the composite number.
- If we multiply 1325 by 1, 2, 3 then we get the multiples of 1325 which are 1325, 2650 and so on.
1325 is a Composite number or Prime number
About the number 1325:
- 1325 has more than two factors which are 1, 5, 25, 53, 265 and 1325 and hence it is the composite number.
- 1325 is the odd composite number and it is not the perfect square also.
- If we divide 1325 by 1, 5, 25, 53, 265 and 1325 then we get remainder as zero. Hence, 1, 5, 25, 53, 265 and 1325 are the factors of 1325
Note:
- 1325 is not the perfect square.
- Factors of 1325: 1, 5, 25, 53, 265 and 1325
- Prime factors of 1325: 5, 53
Conclusion:
- 1325 is the composite number which has factors 1, 5, 25, 53, 265 and 1325.
- And hence, 1325 is not the prime number.
Multiple Choice Questions:
1) 1325 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 1325 are
a) 1
b) 5, 53
c) 1, 25, 265 and 1325
d) 1, 5, 25, 53, 265 and 1325
Ans: b) 1, 25, 265 and 1325
3) 1325 is the odd composite number because
a) It has factors 1, 5, 25, 53, 265 and 1325
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all