Is 1671 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 1671 is composite or not first we have to find its factors.
Contents
Factors of 1671:
- If we have taken numbers from 1, 2, 3…for checking factors of 1671, we found that 1671 has factors 1, 3, 557 and 1671. Hence, we must say that 1671 is a composite number.
- Thus, 1671 is the composite number.
- If we multiply 1671 by 1, 2, 3 then we get the multiples of 1671 which are 1671, 3342 and so on.
1671 is a Composite number or Prime number
About the number 1671:
- 1671 has more than two factors which are 1, 3, 557 and 1671 and hence it is the composite number.
- 1671 is the odd composite number and it is not the perfect square also.
- If we divide 1671 by 1, 3, 557 and 1671 then we get remainder as zero. Hence, 1, 3, 557 and 1671 are the factors of 1671
Note:
- 1671 is not the perfect square.
- Factors of 1671: 1, 3, 557 and 1671
- Prime factors of 1671: 3, 557
Conclusion:
- 1671 is the composite number which has factors 1, 3, 557 and 1671.
- And hence, 1671 is not the prime number.
Multiple Choice Questions:
1) 1671 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 1671 are
a) 1
b) 3, 557
c) 1 and 1671
d) 1, 3, 557 and 1671
Ans: b) 1 and 1671
3) 1671 is the odd composite number because
a) It has factors 1, 3, 557 and 1671
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all