Is 1178 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 1178 is composite or not first we have to find its factors.
Contents
Factors of 1178:
- If we have taken numbers from 1, 2, 3…for checking factors of 1178, we found that 1178 has factors 1, 2, 19, 31, 38, 62, 589 and 1178. Hence, we must say that 1178 is a composite number.
- Thus, 1178 is the composite number.
- If we multiply 1178 by 1, 2, 3 then we get the multiples of 1178 which are 1178, 2356 and so on.
About the number 1178:
- 1178 has more than two factors which are 1, 2, 19, 31, 38, 62, 589 and 1178 and hence it is the composite number.
- 1178 is the even composite number and it is not the perfect square also.
- If we divide 1178 by 1, 2, 19, 31, 38, 62, 589 and 1178 then we get remainder as zero. Hence, 1, 2, 19, 31, 38, 62, 589 and 1178 are the factors of 1178.
Note:
- 1178 is not the perfect square.
- Factors of 1178: 1, 2, 19, 31, 38, 62, 589 and 1178
- Prime factors of 1178: 2, 19, 31
Conclusion:
- 1178 is the composite number which has factors 1, 2, 19, 31, 38, 62, 589 and 1178
- And hence, 1178 is not the prime number.
Multiple Choice Questions:
1) 1178 is a
a) Even number
b) Not a perfect square number
c) Composite number
d) all
Ans: d) all
2) The composite factors of a composite number 1178 are
a) 38, 62, 589 and 1178
b) 2, 19, 31
c) 1,38, 62, 589 and 1178
d) 1, 2, 19, 31, 38, 62, 589 and 1178
Ans: a) 38, 62, 589 and 1178
3) 1178 is composite number because
a) It has factors 1, 2, 19, 31, 38, 62, 589 and 1178
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b