Is 2874 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 2874 is composite or not first we have to find its factors.
Contents
Factors of 2874:
- If we have taken numbers from 1, 2, 3…for checking factors of 2874, we found that 2874 has factors 1, 2, 3, 6, 479, 958, 1437 and 2874. Hence, we must say that 2874 is a composite number.
- Thus, 2874 is the composite number.
- If we multiply 2874 by 1, 2, 3 then we get the multiples of 2874 which are 2874, 5748 and so on.
About the number 2874:
- 2874 has more than two factors which are 1, 2, 3, 6, 479, 958, 1437 and 2874 and hence it is the composite number.
- 2874 is the even composite number and it is not the perfect square also.
- If we divide 2874 by, 1, 2, 3, 6, 479, 958, 1437 and 2874 then we get remainder as zero. Hence, 1, 2, 3, 6, 479, 958, 1437 and 2874 are the factors of 2874.
Note:
- 2874 is not the perfect square.
- Factors of 2874: 1, 2, 3, 6, 479, 958, 1437 and 2874
- Prime factors of 2874: 2, 3, 479
Conclusion:
- 2874 is the composite number which has factors, 1, 2, 3, 6, 479, 958, 1437 and 2874
- And hence, 2874 is not the prime number.
Multiple Choice Questions:
1) 2874 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 2874 are
a) 2874
b) 2, 3, 479
c) 6, 958, 1437 and 2874
d) 1, 2, 3, 6, 479, 958, 1437 and 2874
Ans: c) 6, 958, 1437 and 2874
3) 2874 is even composite number because
a) It has factors 1, 2, 3, 6, 479, 958, 1437 and 2874
b) It has only two factors
c) Divisible by 2
d) Both a and c
Ans: d) both a and c