Is 3560 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 3560 is composite or not first we have to find its factors.
Contents
Factors of 3560:
- If we have taken numbers from 1, 2, 3…for checking factors of 3560, we found that 3560 has factors 1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780 and 3560. Hence, we must say that 3560 is a composite number.
- Thus, 3560 is the composite number.
- If we multiply 3560 by 1, 2, 3 then we get the multiples of 3560 which are 3560, 7120 and so on.
About the number 3560:
- 3560 has more than two factors which are 1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780 and 3560 and hence it is the composite number.
- 3560 is the even composite number and it is not the perfect square also.
- If we divide 3560 by, 1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780 and 3560 then we get remainder as zero. Hence, 1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780 and 3560 are the factors of 3560.
Note:
- 3560 is not the perfect square.
- Factors of 3560: 1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780 and 3560
- Prime factors of 3560: 2, 5, 89
Conclusion:
- 3560 is the composite number which has factors, 1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780 and 3560
- And hence, 3560 is not the prime number.
Multiple Choice Questions:
1) 3560 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 3560 are
a) 3560
b) 2, 5, 89
c) 4, 8, 10, 20, 40, 178, 356, 445, 712, 890, 1780 and 3560
d) 1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780 and 3560
Ans: b) 2, 5, 89
3) 3560 is even composite number because
a) It has factors 1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780 and 3560
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all