Is 4821 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 4821 is composite or not first we have to find its factors.
Contents
Factors of 4821:
- If we have taken numbers from 1, 2, 3…for checking factors of 4821, we found that 4821 has factors 1, 3, 1607 and 4821. Hence, we must say that 4821 is a composite number.
- Thus, 4821 is the composite number.
- If we multiply 4821 by 1, 2, 3 then we get the multiples of 4821 which are 4821, 9642 and so on.
4821 is a Composite number or Prime number
About the number 4821:
- 4821 has more than two factors which 1, 3, 1607 and 4821 are hence it is the composite number.
- 4821 is the odd composite number and it is not the perfect square also.
- If we divide 4821 by 1, 3, 1607 and 4821 then we get remainder as zero. Hence 1, 3, 1607 and 4821 are the factors of 4821.
Note:
- 4821 is not the perfect square.
- Factors of 4821:1, 3, 1607 and 4821
- Prime factors of 4821:3, 1607
Conclusion:
- 4821 is the composite number which has factors 1, 3, 1607 and 4821.
- And hence, 4821 is not the prime number.
Multiple Choice Questions:
1) 4821 is a
a) odd number
b) Prime number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The prime factors of a composite number 4821 are
a) 1
b) 3, 1607
c) 1, 3, 1607 and 4821
d) 1 and 4821
Ans: b) 3, 1607
3) 4821 is the composite number because
a) It has factors 1, 3, 1607 and 4821
b) It has more than two factors
c) It is not divisible by 2
d) Both a and b
Ans: d) both a and b
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