Is 1517 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 1517 is composite or not first we have to find its factors.
Contents
Factors of 1517:
- If we have taken numbers from 1, 2, 3…for checking factors of 1517, we found that 1517 has factors 1, 37, 41 and 1517. Hence, we must say that 1517 is a composite number.
- Thus, 1517 is the composite number.
- If we multiply 1517 by 1, 2, 3 then we get the multiples of 1517 which are 1517, 3034 and so on.
1517 is a Composite number or Prime number
About the number 1517:
- 1517 has more than two factors which are 1, 37, 41 and 1517 and hence it is the composite number.
- 1517 is the odd composite number and it is not the perfect square also.
- If we divide 1517 by 1, 37, 41 and 1517 then we get remainder as zero. Hence, 1, 37, 41 and 1517 are the factors of 1517
Note:
- 1517 is not the perfect square.
- Factors of 1517: 1, 37, 41 and 1517
- Prime factors of 1517: 37, 41
Conclusion:
- 1517 is the composite number which has factors 1, 37, 41 and 1517.
- And hence, 1517 is not the prime number.
Multiple Choice Questions:
1) 1517 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 1517 are
a) 1
b) 37, 41
c) 1 and 1517
d) 1, 37, 41 and 1517
Ans: b) 1 and 1517
3) 1517 is the odd composite number because
a) It has factors 1, 37, 41 and 1517
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all