Is 1475 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 1475 is composite or not first we have to find its factors.
Contents
Factors of 1475:
- If we have taken numbers from 1, 2, 3…for checking factors of 1475, we found that 1475 has factors 1, 5, 25, 59, 295 and 1475. Hence, we must say that 1475 is a composite number.
- Thus, 1475 is the composite number.
- If we multiply 1475 by 1, 2, 3 then we get the multiples of 1475 which are 1475, 2950 and so on.
1475 is a Composite number or Prime number
About the number 1475:
- 1475 has more than two factors which are 1, 5, 25, 59, 295 and 1475 and hence it is the composite number.
- 1475 is the odd composite number and it is not the perfect square also.
- If we divide 1475 by 1, 5, 25, 59, 295 and 1475 then we get remainder as zero. Hence, 1, 5, 25, 59, 295 and 1475 are the factors of 1475
Note:
- 1475 is not the perfect square.
- Factors of 1475: 1, 5, 25, 59, 295 and 1475
- Prime factors of 1475: 5, 59
Conclusion:
- 1475 is the composite number which has factors 1, 5, 25, 59, 295 and 1475.
- And hence, 1475 is not the prime number.
Multiple Choice Questions:
1) 1475 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 1475 are
a) 1
b) 5, 59
c) 1, 25, 295 and 1475
d) 1, 5, 25, 59, 295 and 1475
Ans: b) 1, 25, 295 and 1475
3) 1475 is the odd composite number because
a) It has factors 1, 5, 25, 59, 295 and 1475
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all