Is 1232 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 1232 is composite or not first we have to find its factors.
Contents
Factors of 1232:
- If we have taken numbers from 1, 2, 3…for checking factors of 1232, we found that 1232 has factors 1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616 and 1232. Hence, we must say that 1232 is a composite number.
- Thus, 1232 is the composite number.
- If we multiply 1232 by 1, 2, 3 then we get the multiples of 1232 which are 1232, 2464 and so on.
About the number 1232:
- 1232 has more than two factors which are 1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616 and 1232 and hence it is the composite number.
- 1232 is the even composite number and it is not the perfect square also.
- If we divide 1232 by 1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616 and 1232 then we get remainder as zero. Hence, 1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616 and 1232 are the factors of 1232.
Note:
- 1232 is not the perfect square.
- Factors of 1232: 1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616 and 1232
- Prime factors of 1232: 2, 7, 11
Conclusion:
- 1232 is the composite number which has factors 1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616 and 1232
- And hence, 1232 is not the prime number.
Multiple Choice Questions:
1) 1232 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 1232 are
a) 4, 8, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616 and 1232
b) 2, 7, 11
c) 1, 4, 8, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616 and 1232
d) 1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616 and 1232
Ans: a)4, 8, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616 and 1232
3) 1232 is composite number because
a) It has factors 1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616 and 1232
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b