Is 4820 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 4820 is composite or not first we have to find its factors.
Contents
Factors of 4820:
- If we have taken numbers from 1, 2, 3…for checking factors of 4820 we found that 4820 has factors 1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410 and 4820. Hence, we must say that 4820 is a composite number.
- Thus, 4820 is the composite number.
- If we multiply 4820 by 1, 2, 3 then we get the multiples of 4820 which are 4820, 9640 and so on.
About the number 4820:
- 4820 has more than two factors which are 1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410 and 4820 and hence it is the composite number.
- 4820 is the even composite number and it is not the perfect square also.
- If we divide 4820 by, 1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410 and 4820 then we get remainder as zero. Hence, 1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410 and 4820 are the factors of 4820.
Note:
- 4820 is not the perfect square.
- Factors of 4820: 1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410 and 4820
- Prime factors of 4820: 2, 5, 241
Conclusion:
- 4820 is the composite number which has factors, 1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410 and 4820
- And hence, 4820 is not the prime number.
Multiple Choice Questions:
1) 4820 is a
a) Prime number
b) even number
c) even Composite number
d) Both a and c
Ans: c) even composite number
2) The prime factors of a composite number 4820 are
a) 4820
b) 2, 5, 241
c) 4, 10, 20, 482, 964, 1205, 2410 and 4820
d) 1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410 and 4820
Ans: b) 2, 5, 241
3) 4820 is even composite number because
a) It has factors 1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410 and 4820
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all