Is 1719 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 1719 is composite or not first we have to find its factors.
Contents
Factors of 1719:
- If we have taken numbers from 1, 2, 3…for checking factors of 1719, we found that 1719 has factors 1, 3, 9, 191, 573 and 1719. Hence, we must say that 1719 is a composite number.
- Thus, 1719 is the composite number.
- If we multiply 1719 by 1, 2, 3 then we get the multiples of 1719 which are 1719, 3438 and so on.
1719 is a Composite number or Prime number
About the number 1719:
- 1719 has more than two factors which are 1, 3, 9, 191, 573 and 1719 and hence it is the composite number.
- 1719 is the odd composite number and it is not the perfect square also.
- If we divide 1719 by 1, 3, 9, 191, 573 and 1719 then we get remainder as zero. Hence, 1, 3, 9, 191, 573 and 1719 are the factors of 1719
Note:
- 1719 is not the perfect square.
- Factors of 1719: 1, 3, 9, 191, 573 and 1719
- Prime factors of 1719: 3, 191
Conclusion:
- 1719 is the composite number which has factors 1, 3, 9, 191, 573 and 1719.
- And hence, 1719 is not the prime number.
Multiple Choice Questions:
1) 1719 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 1719 are
a) 1
b) 3, 191
c) 1, 9, 573 and 1719
d) 1, 3, 9, 191, 573 and 1719
Ans: b) 1, 9, 573 and 1719
3) 1719 is the odd composite number because
a) It has factors 1, 3, 9, 191, 573 and 1719
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all