Is 1351 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 1351 is composite or not first we have to find its factors.
Contents
Factors of 1351:
- If we have taken numbers from 1, 2, 3…for checking factors of 1351, we found that 1351 has factors 1, 7, 193 and 1351. Hence, we must say that 1351 is a composite number.
- Thus, 1351 is the composite number.
- If we multiply 1351 by 1, 2, 3 then we get the multiples of 1351 which are 1351, 2702 and so on.
1351 is a Composite number or Prime number
About the number 1351:
- 1351 has more than two factors which are 1, 7, 193 and 1351 and hence it is the composite number.
- 1351 is the odd composite number and it is not the perfect square also.
- If we divide 1351 by 1, 7, 193 and 1351 then we get remainder as zero. Hence, 1, 7, 193 and 1351 are the factors of 1351
Note:
- 1351 is not the perfect square.
- Factors of 1351: 1, 7, 193 and 1351
- Prime factors of 1351: 7, 193
Conclusion:
- 1351 is the composite number which has factors 1, 7, 193 and 1351.
- And hence, 1351 is not the prime number.
Multiple Choice Questions:
1) 1351 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 1351 are
a) 1
b) 7, 193
c) 1 and 1351
d) 1, 7, 193 and 1351
Ans: b) 1 and 1351
3) 1351 is the odd composite number because
a) It has factors 1, 7, 193 and 1351
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all