Is 2398 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 2398 is composite or not first we have to find its factors.
Contents
Factors of 2398:
- If we have taken numbers from 1, 2, 3…for checking factors of 2398, we found that 2398 has factors 1, 2, 11, 22, 109, 218, 1199 and 2398. Hence, we must say that 2398 is a composite number.
- Thus, 2398 is the composite number.
- If we multiply 2398 by 1, 2, 3 then we get the multiples of 2398 which are 2398, 4796 and so on.
About the number 2398:
- 2398 has more than two factors which are 1, 2, 11, 22, 109, 218, 1199 and 2398 and hence it is the composite number.
- 2398 is the even composite number and it is not the perfect square also.
- If we divide 2398 by, 1, 2, 11, 22, 109, 218, 1199 and 2398 then we get remainder as zero. Hence, 1, 2, 11, 22, 109, 218, 1199 and 2398 are the factors of 2398.
Note:
- 2398 is not the perfect square.
- Factors of 2398: 1, 2, 11, 22, 109, 218, 1199 and 2398
- Prime factors of 2398: 2, 11, 109
Conclusion:
- 2398 is the composite number which has factors 1, 2, 11, 22, 109, 218, 1199 and 2398
- And hence, 2398 is not the prime number.
Multiple Choice Questions:
1) 2398 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 2398 are
a) 2398
b) 2, 11, 109
c) 1, 22, 218, 1199 and 2398
d) 1, 2, 11, 22, 109, 218, 1199 and 2398
Ans: b) 2, 11, 109
3) 2398 is composite number because
a) It has factors 1, 2, 11, 22, 109, 218, 1199 and 2398
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b