Is 2770 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 2770 is composite or not first we have to find its factors.
Contents
Factors of 2770:
- If we have taken numbers from 1, 2, 3…for checking factors of 2770, we found that 2770 has factors 1, 2, 5, 10, 277, 554, 1385 and 2770. Hence, we must say that 2770 is a composite number.
- Thus, 2770 is the composite number.
- If we multiply 2770 by 1, 2, 3 then we get the multiples of 2770 which are 2770, 5540 and so on.
About the number 2770:
- 2770 has more than two factors which are 1, 2, 5, 10, 277, 554, 1385 and 2770 and hence it is the composite number.
- 2770 is the even composite number and it is not the perfect square also.
- If we divide 2770 by,1, 2, 5, 10, 277, 554, 1385 and 2770 then we get remainder as zero. Hence, 1, 2, 5, 10, 277, 554, 1385 and 2770 are the factors of 2770.
Note:
- 2770 is not the perfect square.
- Factors of 2770: 1, 2, 5, 10, 277, 554, 1385 and 2770
- Prime factors of 2770: 2, 5, 277
Conclusion:
- 2770 is the composite number which has factors, 1, 2, 5, 10, 277, 554, 1385 and 2770
- And hence, 2770 is not the prime number.
Multiple Choice Questions:
1) 2770 is a
a) Prime number
b) Odd number
c) Composite number
d) Both a and c
Ans: c) composite number
2) The composite factors of a composite number 2770 are
a) 2770
b) 2, 5, 277
c) 10, 554, 1385 and 2770
d) 1, 2, 5, 10, 277, 554, 1385 and 2770
Ans: c) 10, 554, 1385 and 2770
3) 2770 is even composite number because
a) It has factors 1, 2, 5, 10, 277, 554, 1385 and 2770
b) It has only two factors
c) Divisible by 2
d) Both a and c
Ans: d) both a and c