Is 2225 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 2225 is composite or not first we have to find its factors.
Contents
Factors of 2225:
- If we have taken numbers from 1, 2, 3…for checking factors of 2225, we found that 2225 has factors 1, 5, 25, 89, 445 and 2225. Hence, we must say that 2225 is a composite number.
- Thus, 2225 is the composite number.
- If we multiply 2225 by 1, 2, 3 then we get the multiples of 2225 which are 2225, 4450 and so on.
2225 is a Composite number or Prime number
About the number 2225:
- 2225 has more than two factors which are 1, 5, 25, 89, 445 and 2225 and hence it is the composite number.
- 2225 is the odd composite number and it is not the perfect square also.
- If we divide 2225 by 1, 5, 25, 89, 445 and 2225 then we get remainder as zero. Hence, 1, 5, 25, 89, 445 and 2225 are the factors of 2225
Note:
- 2225 is not the perfect square.
- Factors of 2225: 1, 5, 25, 89, 445 and 2225
- Prime factors of 2225: 5, 89
Conclusion:
- 2225 is the composite number which has factors 1, 5, 25, 89, 445 and 2225.
- And hence, 2225 is not the prime number.
Multiple Choice Questions:
1) 2225 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 2225 are
a) 1
b) 5, 89
c) 1 and 2225
d) 1, 5, 25, 89, 445 and 2225
Ans: b) 5, 89
3) 2225 is the composite number because
a) It has factors 1, 5, 25, 89, 445 and 2225
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