Is 2755 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 2755 is composite or not first we have to find its factors.
Contents
Factors of 2755:
- If we have taken numbers from 1, 2, 3…for checking factors of 2755, we found that 2755 has factors 1, 5, 19, 29, 95, 145, 551 and 2755. Hence, we must say that 2755 is a composite number.
- Thus, 2755 is the composite number.
- If we multiply 2755 by 1, 2, 3 then we get the multiples of 2755 which are 2755, 5510 and so on.
2755 is a Composite number or Prime number
About the number 2755:
- 2755 has more than two factors which are 1, 5, 19, 29, 95, 145, 551 and 2755 and hence it is the composite number.
- 2755 is the odd composite number and it is not the perfect square also.
- If we divide 2755 by 1, 5, 19, 29, 95, 145, 551 and 2755 then we get remainder as zero. Hence 1, 5, 19, 29, 95, 145, 551 and 2755 are the factors of 2755
Note:
- 2755 is not the perfect square.
- Factors of 2755: 1, 5, 19, 29, 95, 145, 551 and 2755
- Prime factors of 2755: 5, 19, 29
Conclusion:
- 2755 is the composite number which has factors 1, 5, 19, 29, 95, 145, 551 and 2755.
- And hence, 2755 is not the prime number.
Multiple Choice Questions:
1) 2755 is a
a) odd number
b) Prime number
c) even number
d) Both a and c
Ans: a) odd number
2) The non-prime factors of a composite number 2755 are
a) 1
b) 5, 19, 29
c) 1, 5, 19, 29, 95, 145, 551 and 2755
d) 1, 95, 145, 551 and 2755
Ans: d) 1, 95, 145, 551 and 2755
3) 2755 is the odd composite number because
a) It has factors 1, 5, 19, 29, 95, 145, 551 and 2755
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all