Is 148 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 148 is composite or not first we have to find its factors.
Contents
Factors of 148:
- If we have taken numbers from 1, 2, 3…for checking factors of 148, we found that 148 has factors 1, 2, 4, 37, 74 and 148. Hence, we must say that 148 is a composite number.
- Thus, 148 is the composite number.
- If we multiply 148 by 1, 2, 3 then we get the multiples of 148 which are 148, 296, and so on.
About the number 148:
- 148 has more than two factors which are 1,2, 4, 37, 74 and 148 and hence it is the composite number.
- 148 is the even composite number and it is not the perfect square also.
- If we divide 148 by 1,2, 4, 37, 74 and 148 then we get remainder as zero. Hence, 1, 2, 4, 37, 74 and 148 are the factors of 148.
Note:
- 148 is not the perfect square.
- Factors of 148: 1, 2, 4, 37, 74 and 148
- Prime factors of 148: 2, 37
Conclusion:
- 148 is the composite number which has factors 1, 2, 4, 37, 74 and 148.
- And hence, 148 is not the prime number.
Multiple Choice Questions:
1) 148 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 148 are
a) 1
b) 2, 37
c) Both a and b
d) 1481
Ans: b) 2, 37
3) 1 is the not prime factor of 148 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