Is 3521 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 3521 is composite or not first we have to find its factors.
Contents
Factors of 3521:
- If we have taken numbers from 1, 2, 3…for checking factors of 3521, we found that 3521 has factors 1, 7, 503 and 3521. Hence, we must say that 3521 is a composite number.
- Thus, 3521 is the composite number.
- If we multiply 3521 by 1, 2, 3 then we get the multiples of 3521 which are 3521, 7042 and so on.
3521 is a Composite number or Prime number
About the number 3521:
- 3521 has more than two factors which are 1, 7, 503 and 3521 and hence it is the composite number.
- 3521 is the odd composite number and it is not the perfect square also.
- If we divide 3521 by 1, 7, 503 and 3521 then we get remainder as zero. Hence 1, 7, 503 and 3521 are the factors of 3521
Note:
- 3521 is not the perfect square.
- Factors of 3521: 1, 7, 503 and 3521
- Prime factors of 3521: 7, 503
Conclusion:
- 3521 is the composite number which has factors 1, 7, 503 and 3521.
- And hence, 3521 is not the prime number.
Multiple Choice Questions:
1) 3521 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 3521 are
a) 1
b) 7, 503
c) 1, 7, 503 and 3521
d) 1 and 3521
Ans: d)1 and 3521
3) 3521 is the odd composite number because
a) It has factors 1, 7, 503 and 3521
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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