Is 1574 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 1574 is composite or not first we have to find its factors.
Contents
Factors of 1574:
- If we have taken numbers from 1, 2, 3…for checking factors of 1574, we found that 1574 has factors 1, 2, 787 and 1574. Hence, we must say that 1574 is a composite number.
- Thus, 1574 is the composite number.
- If we multiply 1574 by 1, 2, 3 then we get the multiples of 1574 which are 1574, 3148 and so on.
About the number 1574:
- 1574 has more than two factors which are 1, 2, 787 and 1574 and hence it is the composite number.
- 1574 is the even composite number and it is not the perfect square also.
- If we divide 1574 by 1, 2, 787 and 1574 then we get remainder as zero. Hence, 1, 2, 787 and 1574 are the factors of 1574.
Note:
- 1574 is not the perfect square.
- Factors of 1574: 1, 2, 787 and 1574
- Prime factors of 1574: 2, 787
Conclusion:
- 1574 is the composite number which has factors 1, 2, 787 and 1574
- And hence, 1574 is not the prime number.
Multiple Choice Questions:
1) 1574 is a
a) Even number
b) Odd number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The prime factors of a composite number 1574 are
a) 1574
b) 2, 787
c) 1 and 1574
d) 1, 2, 787 and 1574
Ans: b) 2, 787
3) 1574 is even composite number because
a) It has factors 1, 2, 787 and 1574
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all