Is 2238 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 2238 is composite or not first we have to find its factors.
Contents
Factors of 2238:
- If we have taken numbers from 1, 2, 3…for checking factors of 2238, we found that 2238 has factors 1, 2, 3, 6, 373, 746, 1119 and 2238. Hence, we must say that 2238 is a composite number.
- Thus, 2238 is the composite number.
- If we multiply 2238 by 1, 2, 3 then we get the multiples of 2238 which are 2238, 4476 and so on.
About the number 2238:
- 2238 has more than two factors which are 1, 2, 3, 6, 373, 746, 1119 and 2238 and hence it is the composite number.
- 2238 is the even composite number and it is not the perfect square also.
- If we divide 2238 by, 1, 2, 3, 6, 373, 746, 1119 and 2238 then we get remainder as zero. Hence, 1, 2, 3, 6, 373, 746, 1119 and 2238 are the factors of 2238.
Note:
- 2238 is not the perfect square.
- Factors of 2238: 1, 2, 3, 6, 373, 746, 1119 and 2238
- Prime factors of 2238: 2, 3, 373
Conclusion:
- 2238 is the composite number which has factors 1, 2, 3, 6, 373, 746, 1119 and 2238
- And hence, 2238 is not the prime number.
Multiple Choice Questions:
1) 2238 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 2238 are
a) 2238
b) 2, 3, 373
c) 1, 6, 746, 1119 and 2238
d) 1, 2, 3, 6, 373, 746, 1119 and 2238
Ans: b) 2, 3, 373
3) 2238 is composite number because
a) It has factors 1, 2, 3, 6, 373, 746, 1119 and 2238
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b