Is 1963 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 1963 is composite or not first we have to find its factors.
Contents
Factors of 1963:
- If we have taken numbers from 1, 2, 3…for checking factors of 1963, we found that 1963 has factors 1, 13, 151 and 1963. Hence, we must say that 1963 is a composite number.
- Thus, 1963 is the composite number.
- If we multiply 1963 by 1, 2, 3 then we get the multiples of 1963 which are 1963, 3926 and so on.
1963 is a Composite number or Prime number
About the number 1963:
- 1963 has more than two factors which are 1, 13, 151 and 1963 and hence it is the composite number.
- 1963 is the odd composite number and it is not the perfect square also.
- If we divide 1963 by 1, 13, 151 and 1963 then we get remainder as zero. Hence, 1, 13, 151 and 1963 are the factors of 1963
Note:
- 1963 is not the perfect square.
- Factors of 1963: 1, 13, 151 and 1963
- Prime factors of 1963: 13, 151
Conclusion:
- 1963 is the composite number which has factors 1, 13, 151 and 1963.
- And hence, 1963 is not the prime number.
Multiple Choice Questions:
1) 1963 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 1963 are
a) 1
b) 13, 151
c) 1 and 1963
d) 1, 13, 151 and 1963
Ans: c) 1 and 1963
3) 1963 is the odd composite number because
a) It has factors 1, 13, 151 and 1963
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all