Is 2275 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 2275 is composite or not first we have to find its factors.
Contents
Factors of 2275:
- If we have taken numbers from 1, 2, 3…for checking factors of 2275, we found that 2275 has factors 1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455 and 2275. Hence, we must say that 2275 is a composite number.
- Thus, 2275 is the composite number.
- If we multiply 2275 by 1, 2, 3 then we get the multiples of 2275 which are 2275, 4550 and so on.
2275 is a Composite number or Prime number
About the number 2275:
- 2275 has more than two factors which are 1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455 and 2275 and hence it is the composite number.
- 2275 is the odd composite number and it is not the perfect square also.
- If we divide 2275 by 1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455 and 2275 then we get remainder as zero. Hence, 1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455 and 2275 are the factors of 2275
Note:
- 2275 is not the perfect square.
- Factors of 2275: 1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455 and 2275
- Prime factors of 2275: 5, 7, 13
Conclusion:
- 2275 is the composite number which has factors 1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455 and 2275.
- And hence, 2275 is not the prime number.
Multiple Choice Questions:
1) 2275 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 2275 are
a) 1
b) 5, 7, 13
c) 1 and 2275
d) 1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455 and 2275
Ans: b) 5, 7, 13
3) 2275 is the composite number because
a) It has factors 1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455 and 2275
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