__ ____Is 1636 is a composite number or not ?__

__Is 1636 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 1636 is composite or not first we have to find its factors.

**Factors of 1636:**

- If we have taken numbers from 1, 2, 3…for checking factors of 1636, we found that 1636 has factors 1, 2, 4, 409, 818 and 1636. Hence, we must say that 1636 is a composite number.
- Thus, 1636 is the composite number.
- If we multiply 1636 by 1, 2, 3 then we get the multiples of 1636 which are 1636, 3272 and so on.

__About the number 1636:__

__About the number 1636:__

- 1636 has more than two factors which are 1, 2, 4, 409, 818 and 1636 and hence it is the composite number.
- 1636 is the even composite number and it is not the perfect square also.
- If we divide 1636 by 1, 2, 4, 409, 818 and 1636 then we get remainder as zero. Hence, 1, 2, 4, 409, 818 and 1636 are the factors of 1636.

__Note:__

__Note:__

- 1636 is not the perfect square.
- Factors of 1636: 1, 2, 4, 409, 818 and 1636
- Prime factors of 1636: 2, 409

**Conclusion:**

- 1636 is the composite number which has factors 1, 2, 4, 409, 818 and 1636
- And hence, 1636 is not the prime number.

**Multiple Choice Questions:**

**1) 1636 is a**

a) Even number

b) Odd number

c) Composite number

d) Both a and c

**Ans: d) both a and c**

**2) The prime factors of a composite number 1636 are**

a) 1636

b) 2, 409

c) 1, 4, 818 and 1636

d) 1, 2, 4, 409, 818 and 1636

**Ans: b) 2, 409**

**3) 1636 is even composite number because**

a) It has factors 1, 2, 4, 409, 818 and 1636

b) It has more than two factors

c) Divisible by 2

d) all

**Ans: d) all**