Is 2122 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 2122 is composite or not first we have to find its factors.
Contents
Factors of 2122:
- If we have taken numbers from 1, 2, 3…for checking factors of 2122, we found that 2122 has factors 1, 2, 1061 and 2122. Hence, we must say that 2122 is a composite number.
- Thus, 2122 is the composite number.
- If we multiply 2122 by 1, 2, 3 then we get the multiples of 2122 which are 2122, 4244 and so on.
About the number 2122:
- 2122 has more than two factors which are 1, 2, 1061 and 2122 and hence it is the composite number.
- 2122 is the even composite number and it is not the perfect square also.
- If we divide 2122 by, 1, 2, 1061 and 2122 then we get remainder as zero. Hence, 1, 2, 1061 and 2122 are the factors of 2122.
Note:
- 2122 is not the perfect square.
- Factors of 2122: 1, 2, 1061 and 2122
- Prime factors of 2122: 2, 1061
Conclusion:
- 2122 is the composite number which has factors 1, 2, 1061 and 2122
- And hence, 2122 is not the prime number.
Multiple Choice Questions:
1) 2122 is a
a) Prime number
b) Odd number
c) Composite number
d) Both a and c
Ans: c) composite number
2) The non-prime factors of a composite number 2122 are
a) 2122
b) 2, 1061
c) 1 and 2122
d) 1, 2, 1061 and 2122
Ans: c) 1 and 2122
3) 2122 is composite number because
a) It has factors 1, 2, 1061 and 2122
b) It has only two factors
c) Divisible by 2
d) Both a and c
Ans: a) it has factors 1, 2, 1061 and 2122