Is 2666 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 2666 is composite or not first we have to find its factors.
Contents
Factors of 2666:
- If we have taken numbers from 1, 2, 3…for checking factors of 2666, we found that 2666 has factors 1, 2, 31, 43, 62, 86, 1333 and 2666. Hence, we must say that 2666 is a composite number.
- Thus, 2666 is the composite number.
- If we multiply 2666 by 1, 2, 3 then we get the multiples of 2666 which are 2666, 5332 and so on.
About the number 2666:
- 2666 has more than two factors which are 1, 2, 31, 43, 62, 86, 1333 and 2666 and hence it is the composite number.
- 2666 is the even composite number and it is not the perfect square also.
- If we divide 2666 by, 1, 2, 31, 43, 62, 86, 1333 and 2666 then we get remainder as zero. Hence, 1, 2, 31, 43, 62, 86, 1333 and 2666 are the factors of 2666.
Note:
- 2666 is not the perfect square.
- Factors of 2666: 1, 2, 31, 43, 62, 86, 1333 and 2666
- Prime factors of 2666: 2, 31, 43
Conclusion:
- 2666 is the composite number which has factors, 1, 2, 31, 43, 62, 86, 1333 and 2666
- And hence, 2666 is not the prime number.
Multiple Choice Questions:
1) 2666 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 2666 are
a) 2666
b) 2, 31, 43
c) 62, 86, 1333 and 2666
d) 1, 2, 31, 43, 62, 86, 1333 and 2666
Ans: c) 62, 86, 1333 and 2666
3) 2666 is even composite number because
a) It has factors 1, 2, 31, 43, 62, 86, 1333 and 2666
b) It has only two factors
c) Divisible by 2
d) Both a and c
Ans: d) both a and c