Is 788 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 788 is composite or not first we have to find its factors.
Contents
Factors of 788:
- If we have taken numbers from 1, 2, 3…for checking factors of 788, we found that 788 has factors 1, 2, 4, 197, 394 and 788. Hence, we must say that 788 is a composite number.
- Thus, 788 is the composite umber.
- If we multiply 788 by 1, 2, 3 then we get the multiples of 788 which are 788, 1576 and so on.
About the number 788:
- 788 has more than two factors which are 1, 2, 4, 197, 394 and 788 and hence it is the composite number.
- 788 is the even composite number and it is not the perfect square also.
- If we divide 788 by 1, 2, 4, 197, 394 and 788 then we get remainder as zero. Hence, 1, 2, 4, 197, 394 and 788 are the factors of 788.
Note:
- 788 is not the perfect square.
- Factors of 788: 1, 2, 4, 197, 394 and 788
- Prime factors of 788: 2, 197
Conclusion:
- 788 is the composite number which has factors 1, 2, 4, 197, 394 and 788
- And hence, 788 is not the prime number.
Multiple Choice Questions:
1) 788 is a
a) Odd number
b) Prime number
c) Composite number
d) Both b and c
Ans: c) composite number
3) The prime factors of a composite number 788 are
a) 1
b) 2, 197
c) 1, 2, 4, 197, 394 and 788
d) 1, 2, 4, 197, 394 and 788
Ans: b) 2, 197
3) 788 is the composite number because
a) It has factors 1, 2, 4, 197, 394 and 788
b) It has only prime factors
c) Divisible by 2
d) Both a and b
Ans: a) It has factors 1, 2, 4, 197, 394 and 788