Is 1415 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 1415 is composite or not first we have to find its factors.
Contents
Factors of 1415:
- If we have taken numbers from 1, 2, 3…for checking factors of 1415, we found that 1415 has factors 1, 5, 283 and 1415. Hence, we must say that 1415 is a composite number.
- Thus, 1415 is the composite number.
- If we multiply 1415 by 1, 2, 3 then we get the multiples of 1415 which are 1415, 2830 and so on.
1415 is a Composite number or Prime number
About the number 1415:
- 1415 has more than two factors which are 1, 5, 283 and 1415 and hence it is the composite number.
- 1415 is the odd composite number and it is not the perfect square also.
- If we divide 1415 by 1, 5, 283 and 1415 then we get remainder as zero. Hence, 1, 5, 283 and 1415 are the factors of 1415
Note:
- 1415 is not the perfect square.
- Factors of 1415: 1, 5, 283 and 1415
- Prime factors of 1415: 5, 283
Conclusion:
- 1415 is the composite number which has factors 1, 5, 283 and 1415.
- And hence, 1415 is not the prime number.
Multiple Choice Questions:
1) 1415 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 1415 are
a) 1
b) 5, 283
c) 1 and 1415
d) 1, 5, 283 and 1415
Ans: b) 1 and 1415
3) 1415 is the odd composite number because
a) It has factors 1, 5, 283 and 1415
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all