Is 1875 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 1875 is composite or not first we have to find its factors.
Contents
Factors of 1875:
- If we have taken numbers from 1, 2, 3…for checking factors of 1875, we found that 1875 has factors 1, 3, 5, 15, 25, 75, 125, 375, 625 and 1875. Hence, we must say that 1875 is a composite number.
- Thus, 1875 is the composite number.
- If we multiply 1875 by 1, 2, 3 then we get the multiples of 1875 which are 1875, 3740 and so on.
1875 is a Composite number or Prime number
About the number 1875:
- 1875 has more than two factors which are 1, 3, 5, 15, 25, 75, 125, 375, 625 and 1875 and hence it is the composite number.
- 1875 is the odd composite number and it is not the perfect square also.
- If we divide 1875 by 1, 3, 5, 15, 25, 75, 125, 375, 625 and 1875 then we get remainder as zero. Hence, 1, 3, 5, 15, 25, 75, 125, 375, 625 and 1875 are the factors of 1875
Note:
- 1875 is not the perfect square.
- Factors of 1875: 1, 3, 5, 15, 25, 75, 125, 375, 625 and 1875
- Prime factors of 1875: 3, 5,
Conclusion:
- 1875 is the composite number which has factors 1, 3, 5, 15, 25, 75, 125, 375, 625 and 1875.
- And hence, 1875 is not the prime number.
Multiple Choice Questions:
1) 1875 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 1875 are
a) 1
b) 3, 5
c) 1, 15, 25, 75, 125, 375, 625 and 1875
d) 1, 3, 5, 15, 25, 75, 125, 375, 625 and 1875
Ans: b) 1,15, 25, 75, 125, 375, 625 and 1875
3) 1875 is the odd composite number because
a) It has factors 1, 3, 5, 15, 25, 75, 125, 375, 625 and 1875
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all