Is 2218 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 2218 is composite or not first we have to find its factors.
Contents
Factors of 2218:
- If we have taken numbers from 1, 2, 3…for checking factors of 2218, we found that 2218 has factors 1, 2, 1109 and 2218. Hence, we must say that 2218 is a composite number.
- Thus, 2218 is the composite number.
- If we multiply 2218 by 1, 2, 3 then we get the multiples of 2218 which are 2218, 4436 and so on.
About the number 2218:
- 2218 has more than two factors which are 1, 2, 1109 and 2218 and hence it is the composite number.
- 2218 is the even composite number and it is not the perfect square also.
- If we divide 2218 by, 1, 2, 1109 and 2218 then we get remainder as zero. Hence, 1, 2, 1109 and 2218 are the factors of 2218.
Note:
- 2218 is not the perfect square.
- Factors of 2218: 1, 2, 1109 and 2218
- Prime factors of 2218: 2, 1109
Conclusion:
- 2218 is the composite number which has factors 1, 2, 1109 and 2218
- And hence, 2218 is not the prime number.
Multiple Choice Questions:
1) 2218 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 2218 are
a) 2218
b) 2, 1109
c) 1 and 2218
d) 1, 2, 1109 and 2218
Ans: c) 1 and 2218
3) 2218 is composite number because
a) It has factors 1, 2, 1109 and 2218
b) It has only two factors
c) Divisible by 2
d) Both a and c
Ans: a) it has factors 1, 2, 1109 and 2218