Is 2915 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 2915 is composite or not first we have to find its factors.
Contents
Factors of 2915:
- If we have taken numbers from 1, 2, 3…for checking factors of 2915, we found that 2915 has factors 1, 5, 11, 53, 55, 265, 583 and 2915. Hence, we must say that 2915 is a composite number.
- Thus, 2915 is the composite number.
- If we multiply 2915 by 1, 2, 3 then we get the multiples of 2915 which are 2915, 5830 and so on.
2915 is a Composite number or Prime number
About the number 2915:
- 2915 has more than two factors which are 1, 5, 11, 53, 55, 265, 583 and 2915 and hence it is the composite number.
- 2915 is the odd composite number and it is not the perfect square also.
- If we divide 2915 by 1, 5, 11, 53, 55, 265, 583 and 2915 then we get remainder as zero. Hence 1, 5, 11, 53, 55, 265, 583 and 2915 are the factors of 2915
Note:
- 2915 is not the perfect square.
- Factors of 2915: 1, 5, 11, 53, 55, 265, 583 and 2915
- Prime factors of 2915: 5, 11, 53
Conclusion:
- 2915 is the composite number which has factors 1, 5, 11, 53, 55, 265, 583 and 2915.
- And hence, 2915 is not the prime number.
Multiple Choice Questions:
1) 2915 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 2915 are
a) 1
b) 5, 11, 53
c) 1, 55, 265, 583 and 2915
d) 1, 55, 265, 583 and 2915
Ans: d) 1, 55, 265, 583 and 2915
3) 2915 is the odd composite number because
a) It has factors 1, 5, 11, 53, 55, 265, 583 and 2915
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all