Is 1403 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 1403 is composite or not first we have to find its factors.
Contents
Factors of 1403:
- If we have taken numbers from 1, 2, 3…for checking factors of 1403, we found that 1403 has factors 1, 23, 61 and 1403. Hence, we must say that 1403 is a composite number.
- Thus, 1403 is the composite number.
- If we multiply 1403 by 1, 2, 3 then we get the multiples of 1403 which are 1403, 2806 and so on.
1403 is a Composite number or Prime number
About the number 1403:
- 1403 has more than two factors which are 1, 23, 61 and 1403 and hence it is the composite number.
- 1403 is the odd composite number and it is not the perfect square also.
- If we divide 1403 by 1, 23, 61 and 1403 then we get remainder as zero. Hence, 1, 23, 61 and 1403 are the factors of 1403
Note:
- 1403 is not the perfect square.
- Factors of 1403: 1, 23, 61 and 1403
- Prime factors of 1403: 23, 61
Conclusion:
- 1403 is the composite number which has factors 1, 23, 61 and 1403.
- And hence, 1403 is not the prime number.
Multiple Choice Questions:
1) 1403 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 1403 are
a) 1
b) 23, 61
c) 1 and 1403
d) 1, 23, 61 and 1403
Ans: b) 1 and 1403
3) 1403 is the odd composite number because
a) It has factors 1, 23, 61 and 1403
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all