Is 2983 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 2983 is composite or not first we have to find its factors.
Contents
Factors of 2983:
- If we have taken numbers from 1, 2, 3…for checking factors of 2983, we found that 2983 has factors 1, 19, 157 and 2983. Hence, we must say that 2983 is a composite number.
- Thus, 2983 is the composite number.
- If we multiply 2983 by 1, 2, 3 then we get the multiples of 2983 which are 2983, 5966 and so on.
2983 is a Composite number or Prime number
About the number 2983:
- 2983 has more than two factors which are 1, 19, 157 and 2983 and hence it is the composite number.
- 2983 is the odd composite number and it is not the perfect square also.
- If we divide 2983 by 1, 19, 157 and 2983 then we get remainder as zero. Hence 1, 19, 157 and 2983 are the factors of 2983
Note:
- 2983 is not the perfect square.
- Factors of 2983: 1, 19, 157 and 2983
- Prime factors of 2983: 19, 157
Conclusion:
- 2983 is the composite number which has factors 1, 19, 157 and 2983.
- And hence, 2983 is not the prime number.
Multiple Choice Questions:
1) 2983 is a
a) odd number
b) Prime number
c) even number
d) Both a and c
Ans: a) odd number
2) The non-prime factors of a composite number 2983 are
a) 1
b) 19, 157
c) 1, 19, 157 and 2983
d) 1 and 2983
Ans: d) 1 and 2983
3) 2983 is the odd composite number because
a) It has factors 1, 19, 157 and 2983
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all