Is 4921 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 4921 is composite or not first we have to find its factors.
Contents
Factors of 4921:
- If we have taken numbers from 1, 2, 3…for checking factors of 4921, we found that 4921 has factors 1, 7, 19, 37, 133, 259, 703 and 4921. Hence, we must say that 4921 is a composite number.
- Thus, 4921 is the composite number.
- If we multiply 4921 by 1, 2, 3 then we get the multiples of 4921 which are 4921, 9842 and so on.
4921 is a Composite number or Prime number
About the number 4921:
- 4921 has more than two factors which 1, 7, 19, 37, 133, 259, 703 and 4921 are hence it is the composite number.
- 4921 is the odd composite number and it is not the perfect square also.
- If we divide 4921 by 1, 7, 19, 37, 133, 259, 703 and 4921 then we get remainder as zero. Hence 1, 7, 19, 37, 133, 259, 703 and 4921 are the factors of 4921.
Note:
- 4921 is not the perfect square.
- Factors of 4921:1, 7, 19, 37, 133, 259, 703 and 4921
- Prime factors of 4921:7, 19, 37
Conclusion:
- 4921 is the composite number which has factors 1, 7, 19, 37, 133, 259, 703 and 4921.
- And hence, 4921 is not the prime number.
Multiple Choice Questions:
1) 4921 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 4921 are
a) 1
b) 7, 19, 37
c) 1, 7, 19, 37, 133, 259, 703 and 4921
d) 1, 133, 259, 703 and 4921
Ans: b) 7, 19, 37
3) 4921 is the composite number because
a) It has factors 1, 7, 19, 37, 133, 259, 703 and 4921
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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