Is 2486 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 2486 is composite or not first we have to find its factors.
Contents
Factors of 2486:
- If we have taken numbers from 1, 2, 3…for checking factors of 2486, we found that 2486 has factors 1, 2, 11, 22, 113, 226, 1243 and 2486. Hence, we must say that 2486 is a composite number.
- Thus, 2486 is the composite number.
- If we multiply 2486 by 1, 2, 3 then we get the multiples of 2486 which are 2486, 4972 and so on.
About the number 2486:
- 2486 has more than two factors which are 1, 2, 11, 22, 113, 226, 1243 and 2486 and hence it is the composite number.
- 2486 is the even composite number and it is not the perfect square also.
- If we divide 2486 by, 1, 2, 11, 22, 113, 226, 1243 and 2486 then we get remainder as zero. Hence, 1, 2, 11, 22, 113, 226, 1243 and 2486 are the factors of 2486.
Note:
- 2486 is not the perfect square.
- Factors of 2486: 1, 2, 11, 22, 113, 226, 1243 and 2486
- Prime factors of 2486: 2, 11, 113
Conclusion:
- 2486 is the composite number which has factors 1, 2, 11, 22, 113, 226, 1243 and 2486
- And hence, 2486 is not the prime number.
Multiple Choice Questions:
1) 2486 is a
a) Even number
b) Odd number
c) Composite number
d) Both a and c
Ans: d) both a and d
2) The prime factors of a composite number 2486 are
a) 2486
b) 2, 11, 113
c) 1, 22, 226, 1243 and 2486
d) 1, 2, 11, 22, 113, 226, 1243 and 2486
Ans: b) 2, 11, 113
3) 2486 is composite number because
a) It has factors 1, 2, 11, 22, 113, 226, 1243 and 2486
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b