Is 742 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 742 is composite or not first we have to find its factors.
Contents
Factors of 742:
- If we have taken numbers from 1, 2, 3…for checking factors of 742, we found that 742 has factors 1, 2, 7, 14, 53, 106, 371 and 742. Hence, we must say that 742 is a composite number.
- Thus, 742 is the composite umber.
- If we multiply 742 by 1, 2, 3 then we get the multiples of 742 which are 742, 1484 and so on.
About the number 742:
- 742 has more than two factors which are 1, 2, 7, 14, 53, 106, 371 and 742 and hence it is the composite number.
- 742 is the even composite number and it is not the perfect square also.
- If we divide 742 by 1, 2, 7, 14, 53, 106, 371 and 742 then we get remainder as zero. Hence, 1, 2, 7, 14, 53, 106, 371 and 742 are the factors of 742.
Note:
- 742 is not the perfect square.
- Factors of 742: 1, 2, 7, 14, 53, 106, 371 and 742
- Prime factors of 742: 2, 7, 53
Conclusion:
- 742 is the composite number which has factors 1, 2, 7, 14, 53, 106, 371 and 742
- And hence, 742 is not the prime number.
Multiple Choice Questions:
1) 742 is a
a) perfect square number
b) Even number
c) Composite number
d) Both b and c
Ans: d) both b and c
2) The composite factors of a composite number 742 are
a) 14, 106, 371,742
b) 2, 7, 53
c) 1, 14, 106, 371 and 742
d) 1, 2, 7, 14, 53, 106, 371 and 742
Ans: a) 14, 106, 371, 742
3) 742 is the composite number because
a) It has factors 1, 2, 7, 14, 53, 106, 371 and 742
b) More than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b