Is 1371 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 1371 is composite or not first we have to find its factors.
Contents
Factors of 1371:
- If we have taken numbers from 1, 2, 3…for checking factors of 1371, we found that 1371 has factors 1, 3, 457 and 1371. Hence, we must say that 1371 is a composite number.
- Thus, 1371 is the composite number.
- If we multiply 1371 by 1, 2, 3 then we get the multiples of 1371 which are 1371, 2742 and so on.
1371 is a Composite number or Prime number
About the number 1371:
- 1371 has more than two factors which are 1, 3, 457 and 1371 and hence it is the composite number.
- 1371 is the odd composite number and it is not the perfect square also.
- If we divide 1371 by 1, 3, 457 and 1371 then we get remainder as zero. Hence, 1, 3, 457 and 1371 are the factors of 1371
Note:
- 1371 is not the perfect square.
- Factors of 1371: 1, 3, 457 and 1371
- Prime factors of 1371: 3, 457
Conclusion:
- 1371 is the composite number which has factors 1, 3, 457 and 1371.
- And hence, 1371 is not the prime number.
Multiple Choice Questions:
1) 1371 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 1371 are
a) 1
b) 3, 457
c) 1 and 1371
d) 1, 3, 457 and 1371
Ans: b) 1 and 1371
3) 1371 is the odd composite number because
a) It has factors 1, 3, 457 and 1371
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all