Is 3561 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 3561 is composite or not first we have to find its factors.
Contents
Factors of 3561:
- If we have taken numbers from 1, 2, 3…for checking factors of 3561, we found that 3561 has factors 1, 3, 1187 and 3561. Hence, we must say that 3561 is a composite number.
- Thus, 3561 is the composite number.
- If we multiply 3561 by 1, 2, 3 then we get the multiples of 3561 which are 3561, 7122 and so on.
3561 is a Composite number or Prime number
About the number 3561:
- 3561 has more than two factors which are 1, 3, 1187 and 3561 and hence it is the composite number.
- 3561 is the odd composite number and it is not the perfect square also.
- If we divide 3561 by 1, 3, 1187 and 3561 then we get remainder as zero. Hence 1, 3, 1187 and 3561 are the factors of 3561
Note:
- 3561 is not the perfect square.
- Factors of 3561: 1, 3, 1187 and 3561
- Prime factors of 3561: 3, 1187
Conclusion:
- 3561 is the composite number which has factors 1, 3, 1187 and 3561.
- And hence, 3561 is not the prime number.
Multiple Choice Questions:
1) 3561 is a
a) odd number
b) Prime number
c) even number
d) Both a and c
Ans: a) odd number
2) The non-prime factors of a composite number 3561 are
a) 1
b) 3, 1187
c) 1, 3, 1187 and 3561
d) 1 and 3561
Ans: d) 1 and 3561
3) 3561 is the odd composite number because
a) It has factors 1, 3, 1187 and 3561
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
Why the below numbers are composite numbers
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