Is 2919 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 2919 is composite or not first we have to find its factors.
Contents
Factors of 2919:
- If we have taken numbers from 1, 2, 3…for checking factors of 2919, we found that 2919 has factors 1, 3, 7, 21, 139, 417, 973 and 2919. Hence, we must say that 2919 is a composite number.
- Thus, 2919 is the composite number.
- If we multiply 2919 by 1, 2, 3 then we get the multiples of 2919 which are 2919, 5838 and so on.
2919 is a Composite number or Prime number
About the number 2919:
- 2919 has more than two factors which are 1, 3, 7, 21, 139, 417, 973 and 2919 and hence it is the composite number.
- 2919 is the odd composite number and it is not the perfect square also.
- If we divide 2919 by 1, 3, 7, 21, 139, 417, 973 and 2919 then we get remainder as zero. Hence 1, 3, 7, 21, 139, 417, 973 and 2919 are the factors of 2919
Note:
- 2919 is not the perfect square.
- Factors of 2919: 1, 3, 7, 21, 139, 417, 973 and 2919
- Prime factors of 2919: 3, 7, 139
Conclusion:
- 2919 is the composite number which has factors 1, 3, 7, 21, 139, 417, 973 and 2919.
- And hence, 2919 is not the prime number.
Multiple Choice Questions:
1) 2919 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 2919 are
a) 1
b) 3, 7, 139
c) 1, 3, 7, 21, 139, 417, 973 and 2919
d) 1, 21, 417, 973 and 2919
Ans: d) 1, 21, 417, 973 and 2919
3) 2919 is the odd composite number because
a) It has factors 1, 3, 7, 21, 139, 417, 973 and 2919
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all