Is 2553 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 2553 is composite or not first we have to find its factors.
Contents
Factors of 2553:
- If we have taken numbers from 1, 2, 3…for checking factors of 2553, we found that 2553 has factors 1, 3, 23, 37, 69, 111, 851 and 2553. Hence, we must say that 2553 is a composite number.
- Thus, 2553 is the composite number.
- If we multiply 2553 by 1, 2, 3 then we get the multiples of 2553 which are 2553, 5106 and so on.
2553 is a Composite number or Prime number
About the number 2553:
- 2553 has more than two factors which are 1, 3, 23, 37, 69, 111, 851 and 2553 and hence it is the composite number.
- 2553 is the odd composite number and it is not the perfect square also.
- If we divide 2553 by 1, 3, 23, 37, 69, 111, 851 and 2553 then we get remainder as zero. Hence 1, 3, 23, 37, 69, 111, 851 and 2553 are the factors of 2553
Note:
- 2553 is not the perfect square.
- Factors of 2553: 1, 3, 23, 37, 69, 111, 851 and 2553
- Prime factors of 2553: 3, 23, 37
Conclusion:
- 2553 is the composite number which has factors 1, 3, 23, 37, 69, 111, 851 and 2553.
- And hence, 2553 is not the prime number.
Multiple Choice Questions:
1) 2553 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 2553 are
a) 1
b) 3, 23, 37
c) 1 and 2553
d) 1, 3, 23, 37, 69, 111, 851 and 2553
Ans: b) 3, 23, 37
3) 2553 is the composite number because
a) It has factors 1, 3, 23, 37, 69, 111, 851 and 2553
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