Is 2907 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 2907 is composite or not first we have to find its factors.
Contents
Factors of 2907:
- If we have taken numbers from 1, 2, 3…for checking factors of 2907, we found that 2907 has factors 1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969 and 2907. Hence, we must say that 2907 is a composite number.
- Thus, 2907 is the composite number.
- If we multiply 2907 by 1, 2, 3 then we get the multiples of 2907 which are 2907, 5814 and so on.
2907 is a Composite number or Prime number
About the number 2907:
- 2907 has more than two factors which are 1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969 and 2907 and hence it is the composite number.
- 2907 is the odd composite number and it is not the perfect square also.
- If we divide 2907 by 1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969 and 2907 then we get remainder as zero. Hence 1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969 and 2907 are the factors of 2907
Note:
- 2907 is not the perfect square.
- Factors of 2907: 1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969 and 2907
- Prime factors of 2907: 3, 17, 19
Conclusion:
- 2907 is the composite number which has factors 1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969 and 2907.
- And hence, 2907 is not the prime number.
Multiple Choice Questions:
1) 2907 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 2907 are
a) 1
b) 3, 17, 19
c) 1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969 and 2907
d) 1, 9, 51, 57, 153, 171, 323, 969 and 2907
Ans: d) 1, 9, 51, 57, 153, 171, 323, 969 and 2907
3) 2907 is the odd composite number because
a) It has factors 1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969 and 2907
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all