Is 1375 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 1375 is composite or not first we have to find its factors.
Contents
Factors of 1375:
- If we have taken numbers from 1, 2, 3…for checking factors of 1375, we found that 1375 has factors 1, 5, 11, 25, 55, 125, 275 and 1375. Hence, we must say that 1375 is a composite number.
- Thus, 1375 is the composite number.
- If we multiply 1375 by 1, 2, 3 then we get the multiples of 1375 which are 1375, 2750 and so on.
1375 is a Composite number or Prime number
About the number 1375:
- 1375 has more than two factors which are 1, 5, 11, 25, 55, 125, 275 and 1375 and hence it is the composite number.
- 1375 is the odd composite number and it is not the perfect square also.
- If we divide 1375 by 1, 5, 11, 25, 55, 125, 275 and 1375 then we get remainder as zero. Hence, 1, 5, 11, 25, 55, 125, 275 and 1375 are the factors of 1375
Note:
- 1375 is not the perfect square.
- Factors of 1375: 1, 5, 11, 25, 55, 125, 275 and 1375
- Prime factors of 1375: 5, 11
Conclusion:
- 1375 is the composite number which has factors 1, 5, 11, 25, 55, 125, 275 and 1375.
- And hence, 1375 is not the prime number.
Multiple Choice Questions:
1) 1375 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 1375 are
a) 1
b) 5, 11
c) 1, 25, 55, 125, 275 and 1375
d) 1, 5, 11, 25, 55, 125, 275 and 1375
Ans: b) 1, 25, 55, 125, 275 and 1375
3) 1375 is the odd composite number because
a) It has factors 1, 5, 11, 25, 55, 125, 275 and 1375
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all