Is 1757 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 1757 is composite or not first we have to find its factors.
Contents
Factors of 1757:
- If we have taken numbers from 1, 2, 3…for checking factors of 1757, we found that 1757 has factors 1, 7, 251 and 1757. Hence, we must say that 1757 is a composite number.
- Thus, 1757 is the composite number.
- If we multiply 1757 by 1, 2, 3 then we get the multiples of 1757 which are 1757, 3514 and so on.
1757 is a Composite number or Prime number
About the number 1757:
- 1757 has more than two factors which are 1, 7, 251 and 1757 and hence it is the composite number.
- 1757 is the odd composite number and it is not the perfect square also.
- If we divide 1757 by 1, 7, 251 and 1757 then we get remainder as zero. Hence, 1, 7, 251 and 1757 are the factors of 1757
Note:
- 1757 is not the perfect square.
- Factors of 1757: 1, 7, 251 and 1757
- Prime factors of 1757: 7, 251
Conclusion:
- 1757 is the composite number which has factors 1, 7, 251 and 1757.
- And hence, 1757 is not the prime number.
Multiple Choice Questions:
1) 1757 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 1757 are
a) 1
b) 7, 251
c) 1 and 1757
d) 1, 7, 251 and 1757
Ans: b) 1 7, 251 and 1757
3) 1757 is the odd composite number because
a) It has factors 1, 7, 251 and 1757
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all