Is 1631 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 1631 is composite or not first we have to find its factors.
Contents
Factors of 1631:
- If we have taken numbers from 1, 2, 3…for checking factors of 1631, we found that 1631 has factors 1, 7, 233 and 1631. Hence, we must say that 1631 is a composite number.
- Thus, 1631 is the composite number.
- If we multiply 1631 by 1, 2, 3 then we get the multiples of 1631 which are 1631, 3262 and so on.
1631 is a Composite number or Prime number
About the number 1631:
- 1631 has more than two factors which are 1, 7, 233 and 1631 and hence it is the composite number.
- 1631 is the odd composite number and it is not the perfect square also.
- If we divide 1631 by 1, 7, 233 and 1631 then we get remainder as zero. Hence, 1, 7, 233 and 1631 are the factors of 1631
Note:
- 1631 is not the perfect square.
- Factors of 1631: 1, 7, 233 and 1631
- Prime factors of 1631: 7, 233
Conclusion:
- 1631 is the composite number which has factors 1, 7, 233 and 1631.
- And hence, 1631 is not the prime number.
Multiple Choice Questions:
1) 1631 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 1631 are
a) 1
b) 7, 233
c) 1 and 1631
d) 1, 7, 233 and 1631
Ans: b) 1 and 1631
3) 1631 is the odd composite number because
a) It has factors 1, 7, 233 and 1631
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all