Is 938 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 938 is composite or not first we have to find its factors.
Contents
Factors of 938:
- If we have taken numbers from 1, 2, 3…for checking factors of 938, we found that 938 has factors 1, 2, 7, 14, 67, 134, 469 and 938. Hence, we must say that 938 is a composite number.
- Thus, 938 is the composite umber.
- If we multiply 938 by 1, 2, 3 then we get the multiples of 938 which are 938, 1876 and so on.
About the number 938:
- 938 has more than two factors which are 1, 2, 7, 14, 67, 134, 469 and 938 and hence it is the composite number.
- 938 is the even composite number and it is not the perfect square also.
- If we divide 938 by 1, 2, 7, 14, 67, 134, 469 and 938 then we get remainder as zero. Hence, 1, 2, 7, 14, 67, 134, 469 and 938 are the factors of 938.
Note:
- 938 is not the perfect square.
- Factors of 938: 1, 2, 7, 14, 67, 134, 469 and 938
- Prime factors of 938: 2, 7, 67
Conclusion:
- 938 is the composite number which has factors 1, 2, 7, 14, 67, 134, 469 and 938
- And hence, 938 is not the prime number.
Multiple Choice Questions:
1) 938 is a
a) Even number
b) Prime number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The non-prime factors of a composite number 938 are
a) 1
b) 2, 7, 67
c) 1,14, 134, 469 and 938
d) 1, 2, 7, 14, 67, 134, 469 and 938
Ans: c) 1, 14, 134, 469 and 938
3) 938 is even the composite number because
a) It has factors 1, 2, 7, 14, 67, 134, 469 and 938
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all