Is 4942 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 4942 is composite or not first we have to find its factors.
Contents
Factors of 4942:
- If we have taken numbers from 1, 2, 3…for checking factors of 4942 we found that 4942 has factors 1, 2, 7, 14, 353, 706, 2471 and 4942. Hence, we must say that 4942 is a composite number.
- Thus, 4942 is the composite number.
- If we multiply 4942 by 1, 2, 3 then we get the multiples of 4942 which are 4942, 9884 and so on.
About the number 4942:
- 4942 has more than two factors which are 1, 2, 7, 14, 353, 706, 2471 and 4942 and hence it is the composite number.
- 4942 is the even composite number and it is not the perfect square also.
- If we divide 4942 by, 1, 2, 7, 14, 353, 706, 2471 and 4942 then we get remainder as zero. Hence, 1, 2, 7, 14, 353, 706, 2471 and 4942 are the factors of 4942.
Note:
- 4942 is not the perfect square.
- Factors of 4942: 1, 2, 7, 14, 353, 706, 2471 and 4942
- Prime factors of 4942: 2, 7, 353
Conclusion:
- 4942 is the composite number which has factors, 1, 2, 7, 14, 353, 706, 2471 and 4942
- And hence, 4942 is not the prime number.
Multiple Choice Questions:
1) 4942 is a
a) Prime number
b) even number
c) even Composite number
d) Both a and c
Ans: c) even composite number
2) The prime factors of a composite number 4942 are
a) 4942
b) 2, 7, 353
c) 14, 706, 2471 and 4942
d) 1, 2, 7, 14, 353, 706, 2471 and 4942
Ans: b) 2, 7, 353
3) 4942 is even composite number because
a) It has factors 1, 2, 7, 14, 353, 706, 2471 and 4942
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all