Is 885 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 885 is composite or not first we have to find its factors.
Contents
Factors of 885:
- If we have taken numbers from 1, 2, 3…for checking factors of 885, we found that 885 has factors 1, 3, 5, 15, 59, 177, 295 and 885. Hence, we must say that 885 is a composite number.
- Thus, 885 is the composite number.
- If we multiply 885 by 1, 2, 3 then we get the multiples of 885 which are 885, 1770 and so on.
885 is a Composite number or Prime number
About the number 885:
- 885 has more than two factors which are 1, 3, 5, 15, 59, 177, 295 and 885 and hence it is the composite number.
- 885 is the odd composite number and it is not the perfect square also.
- If we divide 885 by 1, 3, 5, 15, 59, 177, 295 and 885 then we get remainder as zero. Hence, 1, 3, 5, 15, 59, 177, 295 and 885 are the factors of 885
Note:
- 885 is not the perfect square.
- Factors of 885: 1, 3, 5, 15, 59, 177, 295 and 885
- Prime factors of 885: 3, 5, 59
Conclusion:
- 885 is the composite number which has factors 1, 3, 5, 15, 59, 177, 295 and 885.
- And hence, 885 is not the prime number.
Multiple Choice Questions:
1) 885 is a
a) odd number
b) Prime number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The prime factors of a composite number 885 are
a) 1
b) 3, 5, 59
c) 1, 15, 177, 295 and 885
d) 1, 3, 5, 15, 59, 177, 295 and 885
Ans: b) 3, 5, 59
3) 885 is the odd composite number because
a) It has factors 1, 3, 5, 15, 59, 177, 295 and 885
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c