Is 118 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 118 is composite or not first we have to find its factors.
Contents
Factors of 118:
- If we have taken numbers from 1, 2, 3…for checking factors of 118, we found that 118 has factors 1, 2, 59 and 118. Hence, we must say that 118 is a composite number.
- Thus, 118 is the composite number.
- If we multiply 118 by 1, 2, 3 then we get the multiples of 118 which are 118, 236, and so on.
About the number 118:
- 118 has more than two factors which are 1,2, 59 and 118 and hence it is the composite number.
- 118 is the even composite number and it is not the perfect square also.
- If we divide 118 by 1,2, 59 and 118 then we get remainder as zero. Hence, 1, 2, 59 and 118 are the factors of 118.
Note:
- 118 is not the perfect square.
- Factors of 118: 1, 2, 59 and 118
- Prime factors of 118: 2, 59
Conclusion:
- 118 is the composite number which has factors 1, 2, 59 and 118.
- And hence, 118 is not the prime number.
Multiple Choice Questions:
1) 118 is a
a) even number
b) Prime number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The prime factors of a composite number 118 are
a) 1
b) 2, 59
c) Both a and b
d) 1181
Ans: b) 2, 59
3) 1 is the not prime factor of 118 because
a) It is the prime number
b) 1 is neither prime nor composite number
c) Both a and b
d) Given statement is false
Ans: b) 1 is neither prime nor composite number