Is 875 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 875 is composite or not first we have to find its factors.
Contents
Factors of 875:
- If we have taken numbers from 1, 2, 3…for checking factors of 875, we found that 875 has factors 1, 5, 7, 25, 35, 125, 175 and 875. Hence, we must say that 875 is a composite number.
- Thus, 875 is the composite number.
- If we multiply 875 by 1, 2, 3 then we get the multiples of 875 which are 875, 1750 and so on.
875 is a Composite number or Prime number
About the number 875:
- 875 has more than two factors which are 1, 5, 7, 25, 35, 125, 175 and 875 and hence it is the composite number.
- 875 is the odd composite number and it is not the perfect square also.
- If we divide 875 by 1, 5, 7, 25, 35, 125, 175 and 875 then we get remainder as zero. Hence, 1, 5, 7, 25, 35, 125, 175 and 875 are the factors of 875
Note:
- 875 is not the perfect square.
- Factors of 875: 1, 5, 7, 25, 35, 125, 175 and 875
- Prime factors of 875: 5, 7
Conclusion:
- 875 is the composite number which has factors 1, 5, 7, 25, 35, 125, 175 and 875.
- And hence, 875 is not the prime number.
Multiple Choice Questions:
1) 875 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 875 are
a) 1
b) 5, 7
c) 1, 25, 35, 125, 175 and 875
d) 1, 5, 7, 25, 35, 125, 175 and 875
Ans: b) 5, 7
3) 875 is the odd composite number because
a) It has factors 1, 5, 7, 25, 35, 125, 175 and 875
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c