Is 3642 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 3642 is composite or not first we have to find its factors.
Contents
Factors of 3642:
- If we have taken numbers from 1, 2, 3…for checking factors of 3642, we found that 3642 has factors 1, 2, 3, 6, 607, 1214, 1821 and 3642. Hence, we must say that 3642 is a composite number.
- Thus, 3642 is the composite number.
- If we multiply 3642 by 1, 2, 3 then we get the multiples of 3642 which are 3642, 7284 and so on.
About the number 3642:
- 3642 has more than two factors which are 1, 2, 3, 6, 607, 1214, 1821 and 3642 and hence it is the composite number.
- 3642 is the even composite number and it is not the perfect square also.
- If we divide 3642 by, 1, 2, 3, 6, 607, 1214, 1821 and 3642 then we get remainder as zero. Hence, 1, 2, 3, 6, 607, 1214, 1821 and 3642 are the factors of 3642.
Note:
- 3642 is not the perfect square.
- Factors of 3642: 1, 2, 3, 6, 607, 1214, 1821 and 3642
- Prime factors of 3642: 2, 3, 607
Conclusion:
- 3642 is the composite number which has factors, 1, 2, 3, 6, 607, 1214, 1821 and 3642
- And hence, 3642 is not the prime number.
Multiple Choice Questions:
1) 3642 is a
a) Prime number
b) Odd number
c) Composite number
d) Both b and c
Ans: c) composite number
2) The prime factors of a composite number 3642 are
a) 3642
b) 2, 3, 607
c) 6, 1214, 1821 and 3642
d) 1, 2, 3, 6, 607, 1214, 1821 and 3642
Ans: b) 2, 3, 607
3) 3642 is even composite number because
a) It has factors 1, 2, 3, 6, 607, 1214, 1821 and 3642
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all