Is 1589 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 1589 is composite or not first we have to find its factors.
Contents
Factors of 1589:
- If we have taken numbers from 1, 2, 3…for checking factors of 1589, we found that 1589 has factors 1, 7, 227 and 1589. Hence, we must say that 1589 is a composite number.
- Thus, 1589 is the composite number.
- If we multiply 1589 by 1, 2, 3 then we get the multiples of 1589 which are 1589, 3178 and so on.
1589 is a Composite number or Prime number
About the number 1589:
- 1589 has more than two factors which are 1, 7, 227 and 1589 and hence it is the composite number.
- 1589 is the odd composite number and it is not the perfect square also.
- If we divide 1589 by 1, 7, 227 and 1589 then we get remainder as zero. Hence, 1, 7, 227 and 1589 are the factors of 1589
Note:
- 1589 is not the perfect square.
- Factors of 1589: 1, 7, 227 and 1589
- Prime factors of 1589: 7, 227
Conclusion:
- 1589 is the composite number which has factors 1, 7, 227 and 1589.
- And hence, 1589 is not the prime number.
Multiple Choice Questions:
1) 1589 is a
a) Even number
b) Prime number
c) Composite number
d) Both a and c
Ans: c) composite number
2) The non-prime factors of a composite number 1589 are
a) 1
b) 7, 227
c) 1 and 1589
d) 1, 7, 227 and 1589
Ans: b) 1 and 1589
3) 1589 is the odd composite number because
a) It has factors 1, 7, 227 and 1589
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all