Is 1357 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 1357 is composite or not first we have to find its factors.
Contents
Factors of 1357:
- If we have taken numbers from 1, 2, 3…for checking factors of 1357, we found that 1357 has factors 1, 23, 59 and 1357. Hence, we must say that 1357 is a composite number.
- Thus, 1357 is the composite number.
- If we multiply 1357 by 1, 2, 3 then we get the multiples of 1357 which are 1357, 2714 and so on.
1357 is a Composite number or Prime number
About the number 1357:
- 1357 has more than two factors which are 1, 23, 59 and 1357 and hence it is the composite number.
- 1357 is the odd composite number and it is not the perfect square also.
- If we divide 1357 by 1, 23, 59 and 1357 then we get remainder as zero. Hence, 1, 23, 59 and 1357 are the factors of 1357
Note:
- 1357 is not the perfect square.
- Factors of 1357: 1, 23, 59 and 1357
- Prime factors of 1357: 23, 59
Conclusion:
- 1357 is the composite number which has factors 1, 23, 59 and 1357.
- And hence, 1357 is not the prime number.
Multiple Choice Questions:
1) 1357 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 1357 are
a) 1
b) 23, 59
c) 1 and 1357
d) 1, 23, 59 and 1357
Ans: b) 1 and 1357
3) 1357 is the odd composite number because
a) It has factors 1, 23, 59 and 1357
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all