Is 2619 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 2619 is composite or not first we have to find its factors.
Contents
Factors of 2619:
- If we have taken numbers from 1, 2, 3…for checking factors of 2619, we found that 2619 has factors 1, 3, 9, 27, 97, 291, 873 and 2619. Hence, we must say that 2619 is a composite number.
- Thus, 2619 is the composite number.
- If we multiply 2619 by 1, 2, 3 then we get the multiples of 2619 which are 2619, 5238 and so on.
2619 is a Composite number or Prime number
About the number 2619:
- 2619 has more than two factors which are 1, 3, 9, 27, 97, 291, 873 and 2619 and hence it is the composite number.
- 2619 is the odd composite number and it is not the perfect square also.
- If we divide 2619 by 1, 3, 9, 27, 97, 291, 873 and 2619 then we get remainder as zero. Hence 1, 3, 9, 27, 97, 291, 873 and 2619 are the factors of 2619
Note:
- 2619 is not the perfect square.
- Factors of 2619: 1, 3, 9, 27, 97, 291, 873 and 2619
- Prime factors of 2619: 3, 97
Conclusion:
- 2619 is the composite number which has factors 1, 3, 9, 27, 97, 291, 873 and 2619.
- And hence, 2619 is not the prime number.
Multiple Choice Questions:
1) 2619 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 2619 are
a) 1
b) 3, 97
c) 1 and 2619
d) 1, 3, 9, 27, 97, 291, 873 and 2619
Ans: b) 3, 97
3) 2619 is the composite number because
a) It has factors 1, 3, 9, 27, 97, 291, 873 and 2619
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