Is 1513 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 1513 is composite or not first we have to find its factors.
Contents
Factors of 1513:
- If we have taken numbers from 1, 2, 3…for checking factors of 1513, we found that 1513 has factors 1, 17, 89 and 1513. Hence, we must say that 1513 is a composite number.
- Thus, 1513 is the composite number.
- If we multiply 1513 by 1, 2, 3 then we get the multiples of 1513 which are 1513, 3026 and so on.
1513 is a Composite number or Prime number
About the number 1513:
- 1513 has more than two factors which are 1, 17, 89 and 1513 and hence it is the composite number.
- 1513 is the odd composite number and it is not the perfect square also.
- If we divide 1513 by 1, 17, 89 and 1513 then we get remainder as zero. Hence, 1, 17, 89 and 1513 are the factors of 1513
Note:
- 1513 is not the perfect square.
- Factors of 1513: 1, 17, 89 and 1513
- Prime factors of 1513: 17, 89
Conclusion:
- 1513 is the composite number which has factors 1, 17, 89 and 1513.
- And hence, 1513 is not the prime number.
Multiple Choice Questions:
1) 1513 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 1513 are
a) 1
b) 17, 89
c) 1 and 1513
d) 1, 17, 89 and 1513
Ans: b) 1 and 1513
3) 1513 is the odd composite number because
a) It has factors 1, 17, 89 and 1513
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all