Is 3021 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 3021 is composite or not first we have to find its factors.
Contents
Factors of 3021:
- If we have taken numbers from 1, 2, 3…for checking factors of 3021, we found that 3021 has factors 1, 3, 19, 53, 57, 159, 1007 and 3021. Hence, we must say that 3021 is a composite number.
- Thus, 3021 is the composite number.
- If we multiply 3021 by 1, 2, 3 then we get the multiples of 3021 which are 3021, 6042 and so on.
3021 is a Composite number or Prime number
About the number 3021:
- 3021 has more than two factors which are 1, 3, 19, 53, 57, 159, 1007 and 3021 and hence it is the composite number.
- 3021 is the odd composite number and it is not the perfect square also.
- If we divide 3021 by 1, 3, 19, 53, 57, 159, 1007 and 3021 then we get remainder as zero. Hence 1, 3, 19, 53, 57, 159, 1007 and 3021 are the factors of 3021
Note:
- 3021 is not the perfect square.
- Factors of 3021: 1, 3, 19, 53, 57, 159, 1007 and 3021
- Prime factors of 3021: 3, 19, 53
Conclusion:
- 3021 is the composite number which has factors 1, 3, 19, 53, 57, 159, 1007 and 3021.
- And hence, 3021 is not the prime number.
Multiple Choice Questions:
1) 3021 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 3021 are
a) 1
b) 3, 19, 53
c) 1, 3, 19, 53, 57, 159, 1007 and 3021
d) 1, 57, 159, 1007 and 3021
Ans: d) 1, 57, 159, 1007 and 3021
3) 3021 is the odd composite number because
a) It has factors 1, 3, 19, 53, 57, 159, 1007 and 3021
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all