Is 636 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 636 is composite or not first we have to find its factors.
Contents
Factors of 636:
- If we have taken numbers from 1, 2, 3…for checking factors of 636, we found that 636 has factors 1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318 and 636. Hence, we must say that 636 is a composite number.
- Thus, 636 is the composite umber.
- If we multiply 636 by 1, 2, 3 then we get the multiples of 636 which are 636, 1272 and so on.
About the number 636:
- 636 has more than two factors which are 1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318 and 636 and hence it is the composite number.
- 636 is the even composite number and it is not the perfect square also.
- If we divide 636 by 1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318 and 636 then we get remainder as zero. Hence, 1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318 and 636 are the factors of 636.
Note:
- 636 is not the perfect square.
- Factors of 636: 1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318 and 636
- Prime factors of 636: 2, 3, 53
Conclusion:
- 636 is the composite number which has factors 1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318 and 636
- And hence, 636 is not the prime number.
Multiple Choice Questions:
1) 636 is a
a) Not a perfect square number
b) Even number
c) Composite number
d) all
Ans: d) all
2) The prime and composite factors of a composite number 636 are
a) 1
b) 2, 3, 53
c) 1, 4, 6, 12, 106, 159, 212, 318 and 636
d) 1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318 and 636
Ans: d) 1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318 and 636
3) 636 is the even composite number because
a) It has factors 1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318 and 636
b) More than two factors
c) Divisible by 2
d) all
Ans: d) all